zstd-jni 1.5.5-6 through 1.5.7-13 Out-of-Bounds Read via Negative Offset
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · High
- Fix status
- Partial Red Hat: 17 fixed, 8 without a fix
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.
Summary
zstd-jni versions 1.5.5-6 through 1.5.7-13 contain an out-of-bounds read vulnerability in Zstd.getFrameContentSize that fails to validate negative srcPosition arguments. Attackers can supply negative offset values that bypass bounds checks and reach the native frame-header parser, causing out-of-bounds memory reads that lead to information disclosure or JVM crashes.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA zstd-jni (luben) Fixed in 1.5.7-14
Red Hat 17 advisories
- RHSA-2026:95221 Released 2026-11-04 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 8.1.9 XP 6.0.7.GA release
- Red Hat JBoss Enterprise Application Platform 8.1
- RHSA-2026:88159 Released 2026-10-22 · Red Hat rating CriticalRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.17 security update.
- OpenShift Developer Tools and Services 4.17 registry.redhat.io/ocp-tools-4/jenkins-rhel9
- RHSA-2026:88158 Released 2026-10-22 · Red Hat rating CriticalRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.19 security update.
- OpenShift Developer Tools and Services 4.19 registry.redhat.io/ocp-tools-4/jenkins-rhel9
Show 14 more Red Hat advisories
- RHSA-2026:88157 Released 2026-10-22 · Red Hat rating CriticalRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.20 security update.
- OpenShift Developer Tools and Services 4.20 registry.redhat.io/ocp-tools-4/jenkins-rhel9
- RHSA-2026:88156 Released 2026-10-22 · Red Hat rating CriticalRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.16 security update.
- OpenShift Developer Tools and Services 4.16 registry.redhat.io/ocp-tools-4/jenkins-rhel9
- RHSA-2026:88155 Released 2026-10-22 · Red Hat rating CriticalRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.21 security update.
- OpenShift Developer Tools and Services 4.21 registry.redhat.io/ocp-tools-4/jenkins-rhel9
- RHSA-2026:88154 Released 2026-10-22 · Red Hat rating CriticalRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.22 security update.
- OpenShift Developer Tools and Services 4.22 registry.redhat.io/ocp-tools-4/jenkins-rhel9
- RHSA-2026:88153 Released 2026-10-22 · Red Hat rating CriticalRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.18 security update.
- OpenShift Developer Tools and Services 4.18 registry.redhat.io/ocp-tools-4/jenkins-rhel9
- RHSA-2026:88151 Released 2026-10-22 · Red Hat rating CriticalRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.14 security update.
- OpenShift Developer Tools and Services 4.14 registry.redhat.io/ocp-tools-4/jenkins-rhel8
- RHSA-2026:88152 Released 2026-10-22 · Red Hat rating CriticalRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.12 security update.
- OpenShift Developer Tools and Services 4.12 registry.redhat.io/ocp-tools-4/jenkins-rhel8
- RHSA-2026:88149 Released 2026-10-22 · Red Hat rating CriticalRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.13 security update.
- OpenShift Developer Tools and Services 4.13 registry.redhat.io/ocp-tools-4/jenkins-rhel8
- RHSA-2026:88150 Released 2026-10-22 · Red Hat rating CriticalRelease of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.15 security update.
- OpenShift Developer Tools and Services 4.15 registry.redhat.io/ocp-tools-4/jenkins-rhel8
- RHSA-2026:84734 Released 2026-10-19 · Red Hat rating CriticalRHOAI 3.4.5 - Red Hat OpenShift AI
- Red Hat OpenShift AI 3.4 registry.redhat.io/rhoai/odh-ai-gateway-payload-processing-rhel9, registry.redhat.io/rhoai/odh-automl-rhel9, registry.redhat.io/rhoai/odh-autorag-rhel9 +47
- RHSA-2026:71675 Released 2026-09-24 · Red Hat rating ImportantRed Hat Build of Apache Camel 4.18.4 for Spring Boot release.
- Red Hat build of Apache Camel 4.18.4 for Spring Boot 3.5.16
- RHSA-2026:70257 Released 2026-09-22 · Red Hat rating ImportantRed Hat Build of Apache Camel 4.18 for Quarkus 3.33 update is now available (RHBQ 3.33.3.SP2)
- Red Hat Build of Apache Camel 3.33.3.SP2 com.github.luben.zstd-jni-1.5.7.16-rhel8-redhat-00001.jar, com.squareup.wire.wire-runtime-6.4.7.jar, com.squareup.wire.wire-runtime-jvm-6.4.7.jar +7
- RHSA-2026:69440 Released 2026-09-21 · Red Hat rating ImportantRed Hat build of Quarkus 3.33.3.SP2 release and security update
- Red Hat build of Quarkus 3.33.3.SP2
- RHSA-2026:69470 Released 2026-09-21 · Red Hat rating ImportantRed Hat build of Quarkus 3.27.5.SP2 release and security update
- Red Hat build of Quarkus 3.27.5.SP2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
luben zstd-jni 1.5.7-14
2 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM
Other records, highest priority first
- TI-2026-60349 zstd-jni 1.4.8-4 through 1.5.7-13 Denial of Service via Negative LengthPriority MEDIUM 56
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 |
| OpenShift Developer Tools and Services | Affected | No fix yet |
| Red Hat Ceph Storage 9 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat JBoss Enterprise Application Platform Expansion Pack | 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 |
| OpenShift Developer Tools and Services 4.12 | Fixed | RHSA-2026:88152 |
| OpenShift Developer Tools and Services 4.13 | Fixed | RHSA-2026:88149 |
| OpenShift Developer Tools and Services 4.14 | Fixed | RHSA-2026:88151 |
| OpenShift Developer Tools and Services 4.15 | Fixed | RHSA-2026:88150 |
| OpenShift Developer Tools and Services 4.16 | Fixed | RHSA-2026:88156 |
| OpenShift Developer Tools and Services 4.17 | Fixed | RHSA-2026:88159 |
| OpenShift Developer Tools and Services 4.18 | Fixed | RHSA-2026:88153 |
| OpenShift Developer Tools and Services 4.19 | Fixed | RHSA-2026:88158 |
| OpenShift Developer Tools and Services 4.20 | Fixed | RHSA-2026:88157 |
| OpenShift Developer Tools and Services 4.21 | Fixed | RHSA-2026:88155 |
| OpenShift Developer Tools and Services 4.22 | Fixed | RHSA-2026:88154 |
| Red Hat Build of Apache Camel 3.33.3.SP2 | Fixed | RHSA-2026:70257 |
| Red Hat JBoss Enterprise Application Platform 8.1 | Fixed | RHSA-2026:95221 |
| Red Hat OpenShift AI 3.4 | Fixed | RHSA-2026:84734 |
| Red Hat build of Apache Camel 4.18.4 for Spring Boot 3.5.16 | Fixed | RHSA-2026:71675 |
| Red Hat build of Quarkus 3.27.5.SP2 | Fixed | RHSA-2026:69470 |
| Red Hat build of Quarkus 3.33.3.SP2 | Fixed | RHSA-2026:69440 |
Not affected: 18 products
- OpenShift Developer Tools and Services 4.12
- OpenShift Developer Tools and Services 4.13
- OpenShift Developer Tools and Services 4.14
- OpenShift Developer Tools and Services 4.15
- OpenShift Developer Tools and Services 4.16
- OpenShift Developer Tools and Services 4.17
- OpenShift Developer Tools and Services 4.18
- OpenShift Developer Tools and Services 4.19
- OpenShift Developer Tools and Services 4.20
- OpenShift Developer Tools and Services 4.21
- OpenShift Developer Tools and Services 4.22
- Red Hat Build of Apache Camel 3.33.3.SP2
- Red Hat Enterprise Linux 8
- Red Hat Fuse 7
- Red Hat Hardened Images
- Red Hat JBoss Enterprise Application Platform 8
- Red Hat OpenShift AI (RHOAI)
- Red Hat OpenShift AI 3.4
Timeline
- 2026-10-02 Threatist record created from CVE-2026-89046
- 2026-10-03 Alias added: GHSA-h98q-h7vh-hjv2
- 2026-10-09 Fix available: RHSA-2026:69440 · Red Hat
- 2026-10-09 Fix available: RHSA-2026:69470 · Red Hat
- 2026-10-09 Fix available: RHSA-2026:70257 · Red Hat
- 2026-10-09 Fix available: Red Hat Build of Apache Camel 3.33 for Quarkus 3.33.3.SP2, Red Hat build of Quarkus 3.27.5.SP2, Red Hat build of Quarkus 3.33.3.SP2 · Red Hat
- 2026-10-10 Fix available: Red Hat Build of Apache Camel 3.33.3.SP2 · Red Hat
- 2026-10-13 Affected versions changed · Red Hat
- 2026-10-16 EPSS moved to the 50th–90th percentile
- 2026-10-20 Fix available: RHSA-2026:84734 · Red Hat
- 2026-10-20 Fix available: Red Hat OpenShift AI 3.4 · Red Hat
- 2026-10-23 Fix available: RHSA-2026:88149 · Red Hat
- 2026-10-23 Fix available: RHSA-2026:88152 · Red Hat
- 2026-10-23 Fix available: RHSA-2026:88150 · Red Hat
- 2026-10-23 Fix available: RHSA-2026:88156 · Red Hat
- 2026-10-23 Fix available: RHSA-2026:88153 · Red Hat
- 2026-10-23 Fix available: RHSA-2026:88154 · Red Hat
- 2026-10-23 Fix available: RHSA-2026:88157 · Red Hat
- 2026-10-23 Fix available: RHSA-2026:88155 · Red Hat
- 2026-10-23 Fix available: RHSA-2026:88151 · Red Hat
- 2026-10-23 Fix available: RHSA-2026:88158 · Red Hat
- 2026-10-23 Fix available: RHSA-2026:88159 · Red Hat
- 2026-10-23 Fix available: OpenShift Developer Tools and Services 4.12, OpenShift Developer Tools and Services 4.13, OpenShift Developer Tools and Services 4.14 +8 · Red Hat
- 2026-11-04 Fix available: RHSA-2026:95221 · Red Hat
- 2026-11-04 Fix available: Red Hat JBoss Enterprise Application Platform 8.1 · Red Hat
References
More luben vulnerabilities
- TI-2026-61574 zstd-jni 1.2.0 through 1.5.7-13 Out-of-Bounds Read via ZstdDictDecompress CVSS 4.0HIGH 8.8
- TI-2026-59940 zstd-jni 1.1.1 through 1.5.7-13 Out-of-Bounds Read via Direct ByteBuffer Frame-Size Methods CVSS 4.0HIGH 8.8
- TI-2026-59916 zstd-jni 1.2.0 through 1.5.7-13 Out-of-Bounds Read via ZstdDictCompress CVSS 4.0HIGH 8.8
- TI-2026-61747 luben zstd-jni Dictionary Sharing ZstdCompressCtx.java ZstdCompressCtx.loadDict use after free CVSS 4.0MEDIUM 6.9
- TI-2026-59963 zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free via Setters Called After close() CVSS 4.0HIGH 7.0
- TI-2026-59942 zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free of Compression and Decompression Dictionaries CVSS 4.0HIGH 7.0
Sources
- CVE-2026-89046 · CVE Program
- CVE-2026-89046 · NVD
- FIRST EPSS
- GHSA-h98q-h7vh-hjv2 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-89046 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences