Out-of-bounds write in Google Brotli decoder
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 58 fixed, 13 without a fix
Attack profile from CVSS 4.0 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
A buffer overflow in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0, on all platforms, lets a remote unauthenticated attacker corrupt adjacent decoder state memory, disclose sensitive memory, cause a denial of service, or potentially execute arbitrary code with a crafted Brotli-compressed stream. CISA added the flaw to KEV on 2026-10-27 with a due date of 2026-11-10, and rates exploitation as active. The CVSS 4.0 base score is 9.2 (Critical).
Written with Claude Haiku 5.5 from the sources below · 2026-11-07
Description from the CNA
A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream. Users need to update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Brotli | 1.0.3 to before 1.0.10; 1.1.0 to before 1.1.1; 1.2.0 to before 1.2.1 | 1.0.10, 1.1.1, 1.2.1 | Patch available | CNA | |
| — | brotli (PyPI) | 1.0.3 to before 1.2.1 | 1.2.1 | Patch available | GHSA-9v8h-qqgm-4m35 |
| — | brotlicffi (PyPI) | 1.0.3 to before 1.2.1.0 | 1.2.1.0 | Patch available | GHSA-9v8h-qqgm-4m35 |
- Brotli VendorGoogle Affected 1.0.3 to before 1.0.10; 1.1.0 to before 1.1.1; 1.2.0 to before 1.2.1 Fixed in 1.0.10, 1.1.1, 1.2.1 Patch available CNA
- brotli (PyPI) Vendor— Affected 1.0.3 to before 1.2.1 Fixed in 1.2.1 Patch available GHSA-9v8h-qqgm-4m35
- brotlicffi (PyPI) Vendor— Affected 1.0.3 to before 1.2.1.0 Fixed in 1.2.1.0 Patch available GHSA-9v8h-qqgm-4m35
CPE configurations NVD · 36
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:google:brotli:*:*:*:*:*:-:*:* | 1.0.3 to before 1.0.10; 1.1.0 to before 1.1.1; 1.2.0 to before 1.2.1 | Vulnerable | |
| cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* | before 22.23.4; 23.0.0 to before 24.22.1; 25.0.0 to before 26.12.1 | Vulnerable | NodeJS |
| cpe:2.3:a:python-hyper:brotlicffi:*:*:*:*:*:python:*:* | before 1.2.1.0 | Vulnerable | python-hyper |
| cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* | 8.0.0 to before 8.0.33; 9.0.0 to before 9.0.22; 10.0.0 to before 10.0.14 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net:11.0.0:preview1:*:*:*:*:*:* | 11.0.0 preview1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net:11.0.0:preview2:*:*:*:*:*:* | 11.0.0 preview2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net:11.0.0:preview3:*:*:*:*:*:* | 11.0.0 preview3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net:11.0.0:preview4:*:*:*:*:*:* | 11.0.0 preview4 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net:11.0.0:preview5:*:*:*:*:*:* | 11.0.0 preview5 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net:11.0.0:preview6:*:*:*:*:*:* | 11.0.0 preview6 | Vulnerable | Microsoft |
- cpe:2.3:a:google:brotli:*:*:*:*:*:-:*:* Versions 1.0.3 to before 1.0.10; 1.1.0 to before 1.1.1; 1.2.0 to before 1.2.1 Vulnerable ·Google
- cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* Versions before 22.23.4; 23.0.0 to before 24.22.1; 25.0.0 to before 26.12.1 Vulnerable ·NodeJS
- cpe:2.3:a:python-hyper:brotlicffi:*:*:*:*:*:python:*:* Versions before 1.2.1.0 Vulnerable ·python-hyper
- cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* Versions 8.0.0 to before 8.0.33; 9.0.0 to before 9.0.22; 10.0.0 to before 10.0.14 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net:11.0.0:preview1:*:*:*:*:*:* Versions 11.0.0 preview1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net:11.0.0:preview2:*:*:*:*:*:* Versions 11.0.0 preview2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net:11.0.0:preview3:*:*:*:*:*:* Versions 11.0.0 preview3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net:11.0.0:preview4:*:*:*:*:*:* Versions 11.0.0 preview4 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net:11.0.0:preview5:*:*:*:*:*:* Versions 11.0.0 preview5 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net:11.0.0:preview6:*:*:*:*:*:* Versions 11.0.0 preview6 Vulnerable ·Microsoft
Show 26 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:.net:11.0.0:preview7:*:*:*:*:*:* | 11.0.0 preview7 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net:11.0.0:rc1:*:*:*:*:*:* | 11.0.0 rc1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net:11.0.0:rc2:*:*:*:*:*:* | 11.0.0 rc2 | Vulnerable | Microsoft |
| cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* | 12.0 | Vulnerable | Debian |
| cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:* | before 1.29.9; 1.30.0 to before 1.30.6; 1.31.0 to before 1.31.2 | Vulnerable | istio |
| cpe:2.3:a:anthropic:bun:*:*:*:*:*:*:*:* | before 1.4.4 | Vulnerable | anthropics |
| cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* | before 1.37.8; 1.38.0 to before 1.38.6; 1.39.0 to before 1.39.3 | Vulnerable | envoyproxy |
| cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:* | up to 202608 | Vulnerable | TianoCore |
| cpe:2.3:a:google:woff2:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | |
| cpe:2.3:a:duckdb:duckdb:*:*:*:*:*:*:*:* | up to 2.0.0 | Vulnerable | duckdb |
| cpe:2.3:a:clickhouse:clickhouse:*:*:*:*:*:*:*:* | up to 26.10.2.103 | Vulnerable | ClickHouse |
| cpe:2.3:a:apache:arrow:*:*:*:*:*:*:*:* | up to 26.0.0 | Vulnerable | Apache |
| cpe:2.3:a:apache:arrow:27.0.0:dev:*:*:*:*:*:* | 27.0.0 dev | Vulnerable | Apache |
| cpe:2.3:a:mcmilk:7-zip-zstd:*:*:*:*:*:*:*:* | up to 26.02-1.5.7-r2 | Vulnerable | mcmilk |
| cpe:2.3:a:7-zip:p7zip:*:*:*:*:*:*:*:* | up to 16.02 | Vulnerable | 7-Zip |
| cpe:2.3:a:andybalholm:brotli:*:*:*:*:*:go:*:* | before 1.2.7 | Vulnerable | Andybalholm |
| cpe:2.3:o:siemens:ruggedcom_ape1808_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:ruggedcom_ape1808:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:a:siemens:common_configurator:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:a:siemens:data_flow_monitoring:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:a:siemens:edge_opc_ua_server_configurator:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:a:siemens:flow_creator_configurator:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:a:siemens:industrial_edge_cloud_connector_configurator:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:a:siemens:industrial_edge_databus_configurator:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:a:siemens:industrial_edge_hub:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:a:siemens:industrial_edge_management_cloud:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
- cpe:2.3:a:microsoft:.net:11.0.0:preview7:*:*:*:*:*:* Versions 11.0.0 preview7 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net:11.0.0:rc1:*:*:*:*:*:* Versions 11.0.0 rc1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net:11.0.0:rc2:*:*:*:*:*:* Versions 11.0.0 rc2 Vulnerable ·Microsoft
- cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Debian
- cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:* Versions before 1.29.9; 1.30.0 to before 1.30.6; 1.31.0 to before 1.31.2 Vulnerable ·istio
- cpe:2.3:a:anthropic:bun:*:*:*:*:*:*:*:* Versions before 1.4.4 Vulnerable ·anthropics
- cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* Versions before 1.37.8; 1.38.0 to before 1.38.6; 1.39.0 to before 1.39.3 Vulnerable ·envoyproxy
- cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:* Versions up to 202608 Vulnerable ·TianoCore
- cpe:2.3:a:google:woff2:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Google
- cpe:2.3:a:duckdb:duckdb:*:*:*:*:*:*:*:* Versions up to 2.0.0 Vulnerable ·duckdb
- cpe:2.3:a:clickhouse:clickhouse:*:*:*:*:*:*:*:* Versions up to 26.10.2.103 Vulnerable ·ClickHouse
- cpe:2.3:a:apache:arrow:*:*:*:*:*:*:*:* Versions up to 26.0.0 Vulnerable ·Apache
- cpe:2.3:a:apache:arrow:27.0.0:dev:*:*:*:*:*:* Versions 27.0.0 dev Vulnerable ·Apache
- cpe:2.3:a:mcmilk:7-zip-zstd:*:*:*:*:*:*:*:* Versions up to 26.02-1.5.7-r2 Vulnerable ·mcmilk
- cpe:2.3:a:7-zip:p7zip:*:*:*:*:*:*:*:* Versions up to 16.02 Vulnerable ·7-Zip
- cpe:2.3:a:andybalholm:brotli:*:*:*:*:*:go:*:* Versions before 1.2.7 Vulnerable ·Andybalholm
- cpe:2.3:o:siemens:ruggedcom_ape1808_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:ruggedcom_ape1808:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:a:siemens:common_configurator:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:a:siemens:data_flow_monitoring:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:a:siemens:edge_opc_ua_server_configurator:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:a:siemens:flow_creator_configurator:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:a:siemens:industrial_edge_cloud_connector_configurator:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:a:siemens:industrial_edge_databus_configurator:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:a:siemens:industrial_edge_hub:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:a:siemens:industrial_edge_management_cloud:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
Remediation
Update Brotli to 1.0.10, 1.1.1 or 1.2.1, the fixed release for each affected branch. PyPI users should install brotli 1.2.1 and brotlicffi 1.2.1.0.
Written with Claude Haiku 5.5 from the sources below · 2026-11-07
- Fix · CNA Brotli (Google) Fixed in 1.0.10, 1.1.1, 1.2.1
- Fix · GHSA-9v8h-qqgm-4m35 brotli (PyPI) Fixed in 1.2.1 Advisory →
- Fix · GHSA-9v8h-qqgm-4m35 brotlicffi (PyPI) Fixed in 1.2.1.0 Advisory →
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- Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) dotnet-sdk-8.0-source-built-artifacts-8.0.133-1.el10_0
- RHSA-2026:93065 Released 2026-10-30 · Red Hat rating ImportantRed Hat Ansible Automation Platform 2.4 Product Security and Bug Fix Update
- Red Hat Ansible Automation Platform 2.4 for RHEL 8 python3.12-brotli-1.2.1-1.el8ap
- Red Hat Ansible Automation Platform 2.4 for RHEL 9 python3.12-brotli-1.2.1-1.el9ap
- RHSA-2026:92492 Released 2026-10-29 · Red Hat rating Important.NET 8.0 security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-8.0-8.0.33-1.el9_8, aspnetcore-runtime-dbg-8.0-8.0.33-1.el9_8, aspnetcore-targeting-pack-8.0-8.0.33-1.el9_8 +9
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) dotnet-sdk-8.0-source-built-artifacts-8.0.133-1.el9_8
- RHSA-2026:92378 Released 2026-10-29 · Red Hat rating Importantnodejs:24 security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 9) nodejs-1:24.22.1-3.module+el9.8.0+25216+afa2a4a4.aarch64::nodejs:24, nodejs-1:24.22.1-3.module+el9.8.0+25216+afa2a4a4.ppc64le::nodejs:24, nodejs-1:24.22.1-3.module+el9.8.0+25216+afa2a4a4.s390x::nodejs:24 +25
- RHSA-2026:92861 Released 2026-10-29 · Red Hat rating CriticalSatellite 6.19 security update
- Red Hat Satellite 6.19 for RHEL 9 openvox-agent-8.31.1-1.el9sat, openvox-server-8.17.0-1.el9sat, python3.12-brotli-1.2.1-1.el9pc +6
- RHSA-2026:92856 Released 2026-10-29 · Red Hat rating ImportantRed Hat Ansible Automation Platform 2.6 Container Release Update
- Red Hat Ansible Automation Platform 2.6 registry.redhat.io/ansible-automation-platform-26/ee-minimal-rhel9, registry.redhat.io/ansible-automation-platform-26/ee-supported-rhel9, registry.redhat.io/ansible-automation-platform-26/gateway-rhel9
- RHSA-2026:92428 Released 2026-10-29 · Red Hat rating Important.NET 8.0 security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 10) aspnetcore-runtime-8.0-8.0.33-1.el10_2, aspnetcore-runtime-dbg-8.0-8.0.33-1.el10_2, aspnetcore-targeting-pack-8.0-8.0.33-1.el10_2 +9
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) dotnet-sdk-8.0-source-built-artifacts-8.0.133-1.el10_2
- RHSA-2026:92420 Released 2026-10-29 · Red Hat rating Important.NET 8.0 security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-8.0-8.0.33-1.el8_10, aspnetcore-runtime-dbg-8.0-8.0.33-1.el8_10, aspnetcore-targeting-pack-8.0-8.0.33-1.el8_10 +9
- Red Hat Enterprise Linux CRB (v. 8) dotnet-sdk-8.0-source-built-artifacts-8.0.133-1.el8_10
- RHSA-2026:92510 Released 2026-10-29 · Red Hat rating CriticalRHOAI 3.4.6 - Red Hat OpenShift AI
- Red Hat OpenShift AI 3.4 registry.redhat.io/rhoai/odh-built-in-detector-rhel9, registry.redhat.io/rhoai/odh-cli-rhel9, registry.redhat.io/rhoai/odh-dashboard-rhel9 +47
- RHSA-2026:92376 Released 2026-10-29 · Red Hat rating Importantnodejs:24 security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 8) nodejs-1:24.22.1-1.module+el8.10.0+25218+d9e131cb.aarch64::nodejs:24, nodejs-1:24.22.1-1.module+el8.10.0+25218+d9e131cb.ppc64le::nodejs:24, nodejs-1:24.22.1-1.module+el8.10.0+25218+d9e131cb.s390x::nodejs:24 +25
- RHSA-2026:91709 Released 2026-10-28 · Red Hat rating ImportantRed Hat Hardened Images RPMs Security Update
- Red Hat Hardened Images aspnetcore-runtime-8.0-8.0.33-0.1.hum1@aarch64, aspnetcore-runtime-8.0-8.0.33-0.1.hum1@x86_64, aspnetcore-runtime-dbg-8.0-8.0.33-0.1.hum1@aarch64 +22
- RHSA-2026:90890 Released 2026-10-27 · Red Hat rating Importantbrotli security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream EUS (v.9.6) brotli-1.0.9-7.el9_6.3, brotli-devel-1.0.9-7.el9_6.3, python3-brotli-1.0.9-7.el9_6.3
- Red Hat Enterprise Linux BaseOS EUS (v.9.6) brotli-1.0.9-7.el9_6.3, libbrotli-1.0.9-7.el9_6.3
- RHSA-2026:90914 Released 2026-10-27 · Red Hat rating Importantbrotli security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) brotli-1.0.9-6.el9_2.3, brotli-devel-1.0.9-6.el9_2.3, python3-brotli-1.0.9-6.el9_2.3
- Red Hat Enterprise Linux BaseOS E4S (v.9.2) brotli-1.0.9-6.el9_2.3, libbrotli-1.0.9-6.el9_2.3
- RHSA-2026:90892 Released 2026-10-27 · Red Hat rating Importantbrotli security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) brotli-devel-1.0.6-4.el8_4.1, python3-brotli-1.0.6-4.el8_4.1
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) brotli-devel-1.0.6-4.el8_4.1, python3-brotli-1.0.6-4.el8_4.1
- Red Hat Enterprise Linux BaseOS AUS (v.8.4) brotli-1.0.6-4.el8_4.1
- Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) brotli-1.0.6-4.el8_4.1
- RHSA-2026:90891 Released 2026-10-27 · Red Hat rating Importantbrotli security update
- Red Hat Enterprise Linux AppStream E4S (v.8.8) brotli-devel-1.0.6-4.el8_8.1, python3-brotli-1.0.6-4.el8_8.1
- Red Hat Enterprise Linux AppStream TUS (v.8.8) brotli-devel-1.0.6-4.el8_8.1, python3-brotli-1.0.6-4.el8_8.1
- Red Hat Enterprise Linux BaseOS E4S (v.8.8) brotli-1.0.6-4.el8_8.1
- Red Hat Enterprise Linux BaseOS TUS (v.8.8) brotli-1.0.6-4.el8_8.1
- RHSA-2026:90888 Released 2026-10-27 · Red Hat rating Importantbrotli security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream E4S (v.9.4) brotli-1.0.9-6.el9_4.3, brotli-devel-1.0.9-6.el9_4.3, python3-brotli-1.0.9-6.el9_4.3
- Red Hat Enterprise Linux BaseOS E4S (v.9.4) brotli-1.0.9-6.el9_4.3, libbrotli-1.0.9-6.el9_4.3
- RHSA-2026:90893 Released 2026-10-27 · Red Hat rating Importantbrotli security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) brotli-devel-1.0.6-4.el8_6.1, python3-brotli-1.0.6-4.el8_6.1
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) brotli-devel-1.0.6-4.el8_6.1, python3-brotli-1.0.6-4.el8_6.1
- Red Hat Enterprise Linux BaseOS AUS (v.8.6) brotli-1.0.6-4.el8_6.1
- Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6) brotli-1.0.6-4.el8_6.1
- RHSA-2026:90889 Released 2026-10-27 · Red Hat rating Importantbrotli security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream EUS (v. 10.0) brotli-1.1.0-6.el10_0.3, brotli-devel-1.1.0-6.el10_0.3, python3-brotli-1.1.0-6.el10_0.3
- Red Hat Enterprise Linux BaseOS EUS (v. 10.0) brotli-1.1.0-6.el10_0.3, libbrotli-1.1.0-6.el10_0.3
- RHSA-2026:90501 Released 2026-10-26 · Red Hat rating Importantbrotli security update
- Red Hat Enterprise Linux AppStream (v. 8) brotli-devel-1.0.6-5.el8_10, python3-brotli-1.0.6-5.el8_10
- Red Hat Enterprise Linux BaseOS (v. 8) brotli-1.0.6-5.el8_10
- RHSA-2026:90495 Released 2026-10-26 · Red Hat rating Importantbrotli security update
- Red Hat Enterprise Linux AppStream (v. 9) brotli-1.0.9-10.el9_8.1, brotli-devel-1.0.9-10.el9_8.1, python3-brotli-1.0.9-10.el9_8.1
- Red Hat Enterprise Linux BaseOS (v. 9) brotli-1.0.9-10.el9_8.1, libbrotli-1.0.9-10.el9_8.1
- RHSA-2026:90449 Released 2026-10-26 · Red Hat rating Importantbrotli security update
- Red Hat Enterprise Linux AppStream (v. 10) brotli-1.1.0-8.el10_2.1, brotli-devel-1.1.0-8.el10_2.1, python3-brotli-1.1.0-8.el10_2.1
- Red Hat Enterprise Linux BaseOS (v. 10) brotli-1.1.0-8.el10_2.1, libbrotli-1.1.0-8.el10_2.1
- RHSA-2026:87420 Released 2026-10-21 · Red Hat rating ImportantRed Hat Hardened Images RPMs bug fix and enhancement update
- Red Hat Hardened Images brotli-1.2.1-0.1.hum1@aarch64, brotli-1.2.1-0.1.hum1@s390x, brotli-1.2.1-0.1.hum1@src +10
- RHSA-2026:19704 Released 2026-05-20 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux Server (v. 7 ELS) firefox-140.10.0-2.el7_9
- RHSA-2026:19655 Released 2026-05-20 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox-140.10.0-1.el8_4
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) firefox-140.10.0-1.el8_4
- RHSA-2026:19542 Released 2026-05-20 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) firefox-140.10.0-1.el8_6
- Red Hat Enterprise Linux AppStream E4S (v.8.6) firefox-140.10.0-1.el8_6
- Red Hat Enterprise Linux AppStream TUS (v.8.6) firefox-140.10.0-1.el8_6
- RHSA-2026:19462 Released 2026-05-20 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.9.6) thunderbird-140.10.0-1.el9_6
- RHSA-2026:19464 Released 2026-05-20 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.9.4) firefox-140.10.0-1.el9_4, firefox-x11-140.10.0-1.el9_4
- RHSA-2026:19466 Released 2026-05-20 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) thunderbird-140.10.0-1.el8_6
- Red Hat Enterprise Linux AppStream E4S (v.8.6) thunderbird-140.10.0-1.el8_6
- Red Hat Enterprise Linux AppStream TUS (v.8.6) thunderbird-140.10.0-1.el8_6
- RHSA-2026:19469 Released 2026-05-20 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v.9.4) thunderbird-140.10.0-1.el9_4
- RHSA-2026:19467 Released 2026-05-20 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream E4S (v.8.8) thunderbird-140.10.0-1.el8_8
- Red Hat Enterprise Linux AppStream TUS (v.8.8) thunderbird-140.10.0-1.el8_8
- RHSA-2026:19468 Released 2026-05-20 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) thunderbird-140.10.0-1.el9_0
- RHSA-2026:19463 Released 2026-05-20 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream EUS (v. 10.0) thunderbird-140.10.0-1.el10_0
- RHSA-2026:19465 Released 2026-05-20 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird-140.10.0-1.el8_4
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) thunderbird-140.10.0-1.el8_4
- RHSA-2026:19461 Released 2026-05-20 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) thunderbird-140.10.0-1.el9_2
- RHSA-2026:19131 Released 2026-05-19 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 10) thunderbird-140.10.0-1.el10_2
- RHSA-2026:17688 Released 2026-05-14 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v.9.6) firefox-140.10.0-1.el9_6, firefox-x11-140.10.0-1.el9_6
- RHSA-2026:17689 Released 2026-05-14 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) firefox-140.10.0-1.el9_2, firefox-x11-140.10.0-1.el9_2
- RHSA-2026:17687 Released 2026-05-14 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) firefox-140.10.0-1.el9_0
- RHSA-2026:17690 Released 2026-05-14 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream EUS (v. 10.0) firefox-140.10.0-1.el10_0
- RHSA-2026:17477 Released 2026-05-14 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream E4S (v.8.8) firefox-140.10.0-1.el8_8
- Red Hat Enterprise Linux AppStream TUS (v.8.8) firefox-140.10.0-1.el8_8
- RHSA-2026:15892 Released 2026-05-11 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 9) thunderbird-140.10.0-1.el9_7
- RHSA-2026:13537 Released 2026-05-04 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux AppStream (v. 8) thunderbird-140.10.0-1.el8_10
- RHSA-2026:10766 Released 2026-04-27 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 8) firefox-140.10.0-1.el8_10
- RHSA-2026:10767 Released 2026-04-27 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 10) firefox-140.10.0-1.el10_1
- RHSA-2026:10757 Released 2026-04-27 · Red Hat rating Importantfirefox security update
- Red Hat Enterprise Linux AppStream (v. 9) firefox-140.10.0-1.el9_7, firefox-x11-140.10.0-1.el9_7
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Exploit Intelligence | Affected | No fix yet |
| Red Hat Ansible Automation Platform 2 | Affected | No fix yet |
| Red Hat Developer Hub 1 | Affected | No fix yet |
| Red Hat Developer Hub 2 | Affected | No fix yet |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat JBoss Core Services | Affected | No fix yet |
| Red Hat OpenShift AI (RHOAI) | Affected | No fix yet |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet |
| Red Hat OpenShift Container Platform 5 | Affected | No fix yet |
| Red Hat Satellite 6 | Affected | No fix yet |
| Red Hat build of Apache Camel 4 for Quarkus 3 | Affected | No fix yet |
| Red Hat build of Apicurio Registry 3 | Affected | No fix yet |
| Red Hat build of Debezium 3 | Affected | No fix yet |
| Red Hat Ansible Automation Platform 2.4 for RHEL 8 | Fixed | RHSA-2026:93065 |
| Red Hat Ansible Automation Platform 2.4 for RHEL 9 | Fixed | RHSA-2026:93065 |
| Red Hat Ansible Automation Platform 2.5 for RHEL 8 | Fixed | RHSA-2026:94100 |
| Red Hat Ansible Automation Platform 2.5 for RHEL 9 | Fixed | RHSA-2026:94100 |
| Red Hat Ansible Automation Platform 2.6 | Fixed | RHSA-2026:92856 |
| Red Hat Ansible Automation Platform 2.6 for RHEL 9 | Fixed | RHSA-2026:94101 |
| Red Hat Ansible Automation Platform 2.7 | Fixed | RHSA-2026:94108 |
| Red Hat Build of Apache Camel 3.33.4.SP2 | Fixed | RHSA-2026:93980 |
| Red Hat CodeReady Linux Builder EUS (v.9.6) | Fixed | RHSA-2026:93457 |
| Red Hat Discovery 2 | Fixed | RHSA-2026:94802 |
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2026:10767, RHSA-2026:19131, RHSA-2026:90449, RHSA-2026:92428 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2026:10766, RHSA-2026:13537, RHSA-2026:90501, RHSA-2026:92376, RHSA-2026:92420 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2026:10757, RHSA-2026:15892, RHSA-2026:90495, RHSA-2026:92378, RHSA-2026:92492 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2026:19465, RHSA-2026:19655, RHSA-2026:90892 |
| Red Hat Enterprise Linux AppStream AUS (v.8.6) | Fixed | RHSA-2026:19466, RHSA-2026:19542, RHSA-2026:90893 |
| Red Hat Enterprise Linux AppStream E4S (v.8.6) | Fixed | RHSA-2026:19466, RHSA-2026:19542 |
| Red Hat Enterprise Linux AppStream E4S (v.8.8) | Fixed | RHSA-2026:17477, RHSA-2026:19467, RHSA-2026:90891 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2026:17687, RHSA-2026:19468 |
| Red Hat Enterprise Linux AppStream E4S (v.9.2) | Fixed | RHSA-2026:17689, RHSA-2026:19461, RHSA-2026:90914 |
| Red Hat Enterprise Linux AppStream E4S (v.9.4) | Fixed | RHSA-2026:90888, RHSA-2026:93456 |
| Red Hat Enterprise Linux AppStream EUS (v. 10.0) | Fixed | RHSA-2026:17690, RHSA-2026:19463, RHSA-2026:90889, RHSA-2026:93455 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2026:19464, RHSA-2026:19469 |
| Red Hat Enterprise Linux AppStream EUS (v.9.6) | Fixed | RHSA-2026:17688, RHSA-2026:19462, RHSA-2026:90890, RHSA-2026:93457 |
| Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) | Fixed | RHSA-2026:19465, RHSA-2026:19655, RHSA-2026:90892 |
| Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) | Fixed | RHSA-2026:90893 |
| Red Hat Enterprise Linux AppStream TUS (v.8.6) | Fixed | RHSA-2026:19466, RHSA-2026:19542 |
| Red Hat Enterprise Linux AppStream TUS (v.8.8) | Fixed | RHSA-2026:17477, RHSA-2026:19467, RHSA-2026:90891 |
| Red Hat Enterprise Linux BaseOS (v. 10) | Fixed | RHSA-2026:90449 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2026:90501 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2026:90495 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.4) | Fixed | RHSA-2026:90892 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.6) | Fixed | RHSA-2026:90893 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.8) | Fixed | RHSA-2026:90891 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.2) | Fixed | RHSA-2026:90914 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.4) | Fixed | RHSA-2026:90888 |
| Red Hat Enterprise Linux BaseOS EUS (v. 10.0) | Fixed | RHSA-2026:90889 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.6) | Fixed | RHSA-2026:90890 |
| Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) | Fixed | RHSA-2026:90892 |
| Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6) | Fixed | RHSA-2026:90893 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.8) | Fixed | RHSA-2026:90891 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2026:92420 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2026:92428 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2026:92492 |
| Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) | Fixed | RHSA-2026:93455 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2026:19704 |
| Red Hat Hardened Images | Fixed | RHSA-2026:87420, RHSA-2026:91709 |
| Red Hat OpenShift AI 3.0 | Fixed | RHSA-2026:94458, RHSA-2026:94459, RHSA-2026:94463, RHSA-2026:94466, RHSA-2026:94476 |
| Red Hat OpenShift AI 3.4 | Fixed | RHSA-2026:92510, RHSA-2026:93550, RHSA-2026:94452, RHSA-2026:94455, RHSA-2026:94457, RHSA-2026:94461, RHSA-2026:94464, RHSA-2026:94465, RHSA-2026:94468, RHSA-2026:94469, RHSA-2026:94472 |
| Red Hat OpenShift AI 3.5 | Fixed | RHSA-2026:94453, RHSA-2026:94454, RHSA-2026:94460, RHSA-2026:94462, RHSA-2026:94467, RHSA-2026:94470, RHSA-2026:94471, RHSA-2026:94473, RHSA-2026:94474 |
| Red Hat OpenShift Container Platform 4.22 | Fixed | RHSA-2026:95346 |
| Red Hat OpenShift Dev Spaces 3.31 | Fixed | RHSA-2026:93984, RHSA-2026:93987 |
| Red Hat Satellite 6.16 for RHEL 8 | Fixed | RHSA-2026:95655 |
| Red Hat Satellite 6.16 for RHEL 9 | Fixed | RHSA-2026:95655 |
| Red Hat Satellite 6.17 for RHEL 9 | Fixed | RHSA-2026:95656 |
| Red Hat Satellite 6.18 for RHEL 9 | Fixed | RHSA-2026:95657 |
| Red Hat Satellite 6.19 for RHEL 9 | Fixed | RHSA-2026:92861 |
| Red Hat build of Quarkus 3.27.6.SP2 | Fixed | RHSA-2026:93908 |
| Red Hat build of Quarkus 3.33.4.SP2 | Fixed | RHSA-2026:93902 |
Not affected: 26 products
- Confidential Compute Attestation
- Logging Subsystem for Red Hat OpenShift
- OpenShift Service Mesh 3
- Red Hat Ansible Automation Platform 2
- Red Hat Ansible Automation Platform 2.6
- Red Hat Ansible Automation Platform 2.7
- Red Hat Build of Apache Camel 3.33.4.SP2
- Red Hat Build of Keycloak
- Red Hat Connectivity Link 1
- Red Hat Discovery 2
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux AI (RHEL AI) 3
- Red Hat Hardened Images
- Red Hat OpenShift AI 3.4
- Red Hat OpenShift Dev Spaces 3.31
- Red Hat OpenShift Update Service
- Red Hat Satellite 6
- Red Hat Satellite 6.16 for RHEL 8
- Red Hat Satellite 6.16 for RHEL 9
- Red Hat Satellite 6.17 for RHEL 9
- Red Hat Satellite 6.18 for RHEL 9
- Red Hat Satellite 6.19 for RHEL 9
- Red Hat Trusted Profile Analyzer
- Red Hat Update Infrastructure 4 for Cloud Providers
Timeline
- 2026-10-22 Threatist record created from CVE-2026-111497
- 2026-10-22 Alias added: GHSA-9v8h-qqgm-4m35
- 2026-10-22 CISA SSVC decision points changed
- 2026-10-22 Priority changed: MEDIUM → LOW
- 2026-10-23 Fix available: RHSA-2026:87420 · Red Hat
- 2026-10-23 Fix available: Red Hat Hardened Images · Red Hat
- 2026-10-23 CVSS score added · Red Hat
- 2026-10-23 Priority changed: LOW → MEDIUM
- 2026-10-23 CISA SSVC decision points changed
- 2026-10-23 Fix available: PyPI/[email protected], PyPI/[email protected] · GHSA-9v8h-qqgm-4m35
- 2026-10-23 CVSS score added · GHSA-9v8h-qqgm-4m35
- 2026-10-23 Weakness changed · GHSA-9v8h-qqgm-4m35
- 2026-10-23 17 new references · GHSA-9v8h-qqgm-4m35
- 2026-10-23 Title updated · GHSA-9v8h-qqgm-4m35
- 2026-10-24 EPSS moved to the 50th–90th percentile
- 2026-10-24 Title updated · CNA
- 2026-10-24 CISA SSVC decision points changed
- 2026-10-25 EPSS moved to the 95th–99th percentile
- 2026-10-25 Priority changed: MEDIUM → HIGH
- 2026-10-26 Affected versions changed · Red Hat
- 2026-10-26 Fix available: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux AppStream (v. 9) +13 · Red Hat
- 2026-10-27 Added to CISA KEV
- 2026-10-27 EPSS moved to the 99th percentile and above
- 2026-10-27 Fix available: Red Hat Enterprise Linux BaseOS (v. 10), Red Hat Enterprise Linux BaseOS (v. 8), Red Hat Enterprise Linux BaseOS (v. 9) · Red Hat
- 2026-10-27 1 new reference · CNA
- 2026-10-27 Affected versions changed · Red Hat
- 2026-10-27 CISA SSVC decision points changed
- 2026-10-27 CISA SSVC decision points changed
- 2026-10-27 Priority changed: HIGH → CRITICAL
- 2026-10-27 Fix available: Red Hat Enterprise Linux AppStream E4S (v.9.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6), Red Hat Enterprise Linux BaseOS AUS (v.8.4) +5 · Red Hat
- 2026-10-28 CISA SSVC decision points changed
- 2026-10-28 Fix available: Red Hat Enterprise Linux BaseOS E4S (v.8.8), Red Hat Enterprise Linux BaseOS EUS (v. 10.0), Red Hat Enterprise Linux BaseOS EUS (v.9.6) +1 · Red Hat
- 2026-10-28 CVSS score added · NVD
- 2026-10-29 Fix available: RHSA-2026:10757 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:10766 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:15892 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:13537 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:10767 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:17688 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:17689 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:17477 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:17687 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:19131 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:17690 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:19461 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:19467 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:19466 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:19465 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:19464 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:19463 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:19462 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:19468 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:19542 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:19655 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:90495 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:90449 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:19704 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:90888 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:90892 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:90890 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:90914 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:90893 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:90891 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:90889 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:90501 · Red Hat
- 2026-10-29 Fix available: RHSA-2026:19469 · Red Hat
- 2026-10-29 14 new references · GHSA-9v8h-qqgm-4m35
- 2026-10-29 Affected versions changed · Red Hat
- 2026-10-30 Fix available: RHSA-2026:91709 · Red Hat
- 2026-10-30 Fix available: RHSA-2026:92378 · Red Hat
- 2026-10-30 Fix available: RHSA-2026:92510 · Red Hat
- 2026-10-30 Fix available: RHSA-2026:92376 · Red Hat
- 2026-10-30 Fix available: Red Hat OpenShift AI 3.4 · Red Hat
- 2026-10-30 Fix available: RHSA-2026:92428 · Red Hat
- 2026-10-30 Fix available: RHSA-2026:92492 · Red Hat
- 2026-10-30 Fix available: RHSA-2026:92420 · Red Hat
- 2026-10-30 Fix available: Red Hat Ansible Automation Platform 2.4 for RHEL 8, Red Hat Ansible Automation Platform 2.4 for RHEL 9, Red Hat Enterprise Linux CRB (v. 8) +3 · Red Hat
- 2026-10-31 Fix available: RHSA-2026:92861 · Red Hat
- 2026-10-31 Fix available: RHSA-2026:93065 · Red Hat
- 2026-10-31 Affected versions changed · Red Hat
- 2026-11-02 Fix available: RHSA-2026:93455 · Red Hat
- 2026-11-02 Fix available: RHSA-2026:93457 · Red Hat
- 2026-11-02 Fix available: Red Hat CodeReady Linux Builder EUS (v.9.6), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) · Red Hat
- 2026-11-02 Fix available: RHSA-2026:93456 · Red Hat
- 2026-11-02 Fix available: RHSA-2026:93550 · Red Hat
- 2026-11-02 Affected versions changed · Red Hat
- 2026-11-02 Fix available: Red Hat build of Quarkus 3.27.6.SP2, Red Hat build of Quarkus 3.33.4.SP2 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:93902 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94100 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94101 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:93908 · Red Hat
- 2026-11-03 Fix available: Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9, Red Hat Ansible Automation Platform 2.6 for RHEL 9 +1 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:93980 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:93987 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:93984 · Red Hat
- 2026-11-03 Fix available: Red Hat OpenShift Dev Spaces 3.31 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94108 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94453 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94452 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94454 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94455 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94457 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94458 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94459 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94462 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94463 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94466 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94464 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94468 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94465 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94469 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94461 · Red Hat
- 2026-11-03 Fix available: RHSA-2026:94460 · Red Hat
- 2026-11-03 Fix available: Red Hat Ansible Automation Platform 2.7, Red Hat OpenShift AI 3.0, Red Hat OpenShift AI 3.5 · Red Hat
- 2026-11-03 CVSS score changed · GHSA-9v8h-qqgm-4m35
- 2026-11-03 3 new references · GHSA-9v8h-qqgm-4m35
- 2026-11-04 Fix available: RHSA-2026:94474 · Red Hat
- 2026-11-04 Fix available: RHSA-2026:94472 · Red Hat
- 2026-11-04 Fix available: RHSA-2026:94467 · Red Hat
- 2026-11-04 Fix available: RHSA-2026:94476 · Red Hat
- 2026-11-04 Fix available: RHSA-2026:94470 · Red Hat
- 2026-11-04 Fix available: RHSA-2026:94473 · Red Hat
- 2026-11-04 Fix available: RHSA-2026:94471 · Red Hat
- 2026-11-04 Fix available: RHSA-2026:94802 · Red Hat
- 2026-11-04 Fix available: Red Hat Discovery 2 · Red Hat
- 2026-11-05 Fix available: Red Hat Ansible Automation Platform 2.6 · Red Hat
- 2026-11-06 Fix available: Red Hat Satellite 6.16 for RHEL 8, Red Hat Satellite 6.16 for RHEL 9, Red Hat Satellite 6.17 for RHEL 9 +1 · Red Hat
- 2026-11-06 Fix available: RHSA-2026:92856 · Red Hat
- 2026-11-06 Fix available: RHSA-2026:95656 · Red Hat
- 2026-11-06 Fix available: RHSA-2026:95655 · Red Hat
- 2026-11-06 Fix available: RHSA-2026:95657 · Red Hat
- 2026-11-07 Fix available: RHSA-2026:95346 · Red Hat
- 2026-11-07 Fix available: Red Hat OpenShift Container Platform 4.22 · Red Hat
References
Advisory 18
- https://github.com/andybalholm/brotli/releases/tag/v1.2.7
- https://nvd.nist.gov/vuln/detail/CVE-2026-111497
- https://github.com/dotnet/announcements/issues/494
- https://lists.debian.org/debian-lts-announce/2026/10/msg00049.html
- https://patchtheplanet.org/brotli
- https://www.aikido.dev/blog/node2shell-nodejs-brotli-rce-cve-2026-111497
- https://github.com/advisories/GHSA-9v8h-qqgm-4m35
- https://cert-portal.siemens.com/productcert/html/ssa-898633.html
- https://cert-portal.siemens.com/productcert/html/ssa-443410.html
- https://cert-portal.siemens.com/productcert/html/ssa-045512.html
- https://broccoli2shell.com
- http://www.openwall.com/lists/oss-security/2026/10/23/25
- http://www.openwall.com/lists/oss-security/2026/10/24/6
- http://www.openwall.com/lists/oss-security/2026/10/26/12
- http://www.openwall.com/lists/oss-security/2026/10/26/13
- http://www.openwall.com/lists/oss-security/2026/10/26/16
- http://www.openwall.com/lists/oss-security/2026/11/03/2
- https://ellio.tech/en/blog/node2shell-cve-2026-111497-rce-on-stock-nodejs-builds/
Other 17
- https://github.com/google/brotli/commit/da9806362874b9bd4b552a3af360b5d6347beb12
- https://github.com/google/brotli/commit/b418fa81c48262a86a95332b0bc6d62c30aa78b6
- https://github.com/google/brotli/commit/50a9b70a4d5e1443fc40927952276b68fffa83a0
- https://github.com/google/brotli/commit/0ed4268a4401abcb4472096340477cf4af7d1a2b
- https://github.com/pypa/advisory-database/tree/main/vulns/brotlicffi/PYSEC-2026-4323.yaml
- https://nodejs.org/en/blog/vulnerability/october-2026-security-releases
- https://opensourcemalware.com/blog/node2shell-affects-python
- https://pypi.org/project/Brotli
- https://pypi.org/project/brotlicffi
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-111497
- https://www.cve.org/CVERecord?id=CVE-2026-111497
- https://github.com/pypa/advisory-database/tree/main/vulns/brotli/PYSEC-2026-4322.yaml
- https://github.com/google/brotli/releases/tag/v1.2.1
- https://github.com/google/brotli/releases/tag/v1.1.1
- https://github.com/google/brotli/releases/tag/v1.0.10
- https://github.com/google/brotli
- https://ellio.tech/en/blog/node2shell-cve-2026-111497-rce-on-stock-nodejs-builds
More Google Brotli vulnerabilities
- TI-2020-07165 Buffer overflow in Brotli library CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-111497 · CVE Program
- CVE-2026-111497 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-9v8h-qqgm-4m35 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-111497 · Red Hat security data · CC BY 4.0
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