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TI-2026-24815 Aliases CVE-2026-32286GHSA-jqcq-xjh3-6g23

Denial of service in github.com/jackc/pgproto3/v2

Priority HIGH 72CWE-129Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 15 fixed, 7 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-129 and the CVSS impact.

Summary

The DataRow.Decode function fails to properly validate field lengths. A malicious or compromised PostgreSQL server can send a DataRow message with a negative field length, causing a slice bounds out of range panic.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00675 52nd percentileScored 2026-11-07
Fix Partial Red Hat: 16 advisoriesRed Hat: 15 fixed, 7 without a fix

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

VendorProductAffected versionsFixed inStatusSource
—github.com/jackc/pgproto3/v2 (Go)2.0.0 – 2.3.3—No fix listedGHSA-jqcq-xjh3-6g23
  • github.com/jackc/pgproto3/v2 (Go) Vendor— Affected 2.0.0 – 2.3.3 Fixed in — No fix listed GHSA-jqcq-xjh3-6g23

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jackc:pgproto3:*:*:*:*:*:go:*:*2.0.0 – 2.3.3Vulnerablejackc
  • cpe:2.3:a:jackc:pgproto3:*:*:*:*:*:go:*:* Versions 2.0.0 – 2.3.3 Vulnerable ·jackc

Remediation

Red Hat 16 advisories

  • RHSA-2026:73987 Released 2026-09-30 · Red Hat rating Critical
    RHOAI 3.3.7 - Red Hat OpenShift AI
    • Red Hat OpenShift AI 3.3 registry.redhat.io/rhoai/odh-built-in-detector-rhel9, registry.redhat.io/rhoai/odh-dashboard-rhel9, registry.redhat.io/rhoai/odh-data-science-pipelines-argo-argoexec-rhel9 +47
  • RHSA-2026:24853 Released 2026-06-09 · Red Hat rating Important
    Red Hat Quay 3.15.5
    • Red Hat Quay 3.15 registry.redhat.io/quay/quay-rhel8
  • RHSA-2026:23345 Released 2026-06-04 · Red Hat rating Important
    Multicluster Global Hub 1.6.2 security update
    • Multicluster Global Hub 1.6.6 registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9, registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9, registry.redhat.io/multicluster-globalhub/multicluster-globalhub-manager-rhel9 +1
Show 13 more Red Hat advisories
  • RHSA-2026:22714 Released 2026-06-03 · Red Hat rating Important
    osbuild-composer security update
    • Red Hat Enterprise Linux AppStream (v. 9) osbuild-composer-165.1-2.el9_8, osbuild-composer-core-165.1-2.el9_8, osbuild-composer-worker-165.1-2.el9_8
  • RHSA-2026:22465 Released 2026-06-02 · Red Hat rating Important
    Red Hat Quay 3.17.2
    • Red Hat Quay 3.17 registry.redhat.io/quay/quay-rhel9
  • RHSA-2026:22450 Released 2026-06-02 · Red Hat rating Important
    osbuild-composer security update
    • Red Hat Enterprise Linux AppStream (v. 10) osbuild-composer-165.1-2.el10_2, osbuild-composer-core-165.1-2.el10_2, osbuild-composer-worker-165.1-2.el10_2
  • RHSA-2026:22423 Released 2026-06-02 · Red Hat rating Important
    Multicluster Global Hub 1.3.4 security update
    • Multicluster Global Hub 1.3.4 registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9, registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9, registry.redhat.io/multicluster-globalhub/multicluster-globalhub-manager-rhel9 +1
  • RHSA-2026:22347 Released 2026-06-01 · Red Hat rating Important
    Multicluster Global Hub 1.4.5 security update
    • Multicluster Global Hub 1.4.9 registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9, registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9, registry.redhat.io/multicluster-globalhub/multicluster-globalhub-manager-rhel9 +1
  • RHSA-2026:21769 Released 2026-05-28 · Red Hat rating Important
    Multicluster Global Hub 1.5.4 security update
    • Multicluster Global Hub 1.5.8 registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9, registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9, registry.redhat.io/multicluster-globalhub/multicluster-globalhub-manager-rhel9 +1
  • RHSA-2026:21017 Released 2026-05-26 · Red Hat rating Important
    Red Hat Quay 3.14.8
    • Red Hat Quay 3.14 registry.redhat.io/quay/quay-rhel8
  • RHSA-2026:19375 Released 2026-05-19 · Red Hat rating Important
    Red Hat Quay 3.16.4
    • Red Hat Quay 3.16 registry.redhat.io/quay/quay-rhel9
  • RHSA-2026:11996 Released 2026-04-30 · Red Hat rating Important
    Red Hat Quay 3.9.21
    • Red Hat Quay 3.9 registry.redhat.io/quay/quay-rhel8
  • RHSA-2026:11916 Released 2026-04-29 · Red Hat rating Important
    Red Hat Quay 3.10.21
    • Red Hat Quay 3.10 registry.redhat.io/quay/quay-rhel8
  • RHSA-2026:11856 Released 2026-04-29 · Red Hat rating Important
    Red Hat Quay 3.12.17
    • Red Hat Quay 3.12 registry.redhat.io/quay/quay-rhel8
  • RHSA-2026:11217 Released 2026-04-27 · Red Hat rating Important
    RHACS 4.8.11 security and bug fix update
    • Red Hat Advanced Cluster Security 4.8 registry.redhat.io/advanced-cluster-security/rhacs-main-rhel8, registry.redhat.io/advanced-cluster-security/rhacs-roxctl-rhel8, registry.redhat.io/advanced-cluster-security/rhacs-scanner-rhel8 +2
  • RHSA-2026:11070 Released 2026-04-27 · Red Hat rating Important
    RHACS 4.8.11 security and bug fix update
    • Red Hat Advanced Cluster Security 4.8 registry.redhat.io/advanced-cluster-security/rhacs-main-rhel8, registry.redhat.io/advanced-cluster-security/rhacs-roxctl-rhel8, registry.redhat.io/advanced-cluster-security/rhacs-scanner-rhel8 +2

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Assisted Installer for Red Hat OpenShift Container Platform 2AffectedNo fix yet
Multicluster Engine for KubernetesAffectedNo fix yet
Red Hat Advanced Cluster Management for Kubernetes 2AffectedNo fix yet
Red Hat Enterprise Linux 8AffectedNo fix planned: Will not fix
Red Hat OpenShift Cluster Manager CLIAffectedNo fix yet
Red Hat OpenShift on AWSAffectedNo fix yet
Red Hat Quay 3AffectedNo fix yet
Multicluster Global Hub 1.3.4Fixed RHSA-2026:22423
Multicluster Global Hub 1.4.9Fixed RHSA-2026:22347
Multicluster Global Hub 1.5.8Fixed RHSA-2026:21769
Multicluster Global Hub 1.6.6Fixed RHSA-2026:23345
Red Hat Advanced Cluster Security 4.8Fixed RHSA-2026:11070, RHSA-2026:11217
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:22450
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:22714
Red Hat OpenShift AI 3.3Fixed RHSA-2026:73987
Red Hat Quay 3.10Fixed RHSA-2026:11916
Red Hat Quay 3.12Fixed RHSA-2026:11856
Red Hat Quay 3.14Fixed RHSA-2026:21017
Red Hat Quay 3.15Fixed RHSA-2026:24853
Red Hat Quay 3.16Fixed RHSA-2026:19375
Red Hat Quay 3.17Fixed RHSA-2026:22465
Red Hat Quay 3.9Fixed RHSA-2026:11996
Not affected: 20 products
  • Multicluster Global Hub
  • Multicluster Global Hub 1.3.4
  • Multicluster Global Hub 1.4.9
  • Multicluster Global Hub 1.5.8
  • Multicluster Global Hub 1.6.6
  • Red Hat Advanced Cluster Security 4
  • Red Hat Advanced Cluster Security 4.8
  • Red Hat Hardened Images
  • Red Hat OpenShift AI (RHOAI)
  • Red Hat OpenShift AI 3.3
  • Red Hat OpenShift Container Platform 4
  • Red Hat Quay 3
  • Red Hat Quay 3.10
  • Red Hat Quay 3.12
  • Red Hat Quay 3.14
  • Red Hat Quay 3.15
  • Red Hat Quay 3.16
  • Red Hat Quay 3.17
  • Red Hat Quay 3.9
  • Red Hat Trusted Artifact Signer

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-32286
  2. 2026-10-03 Alias added: GHSA-jqcq-xjh3-6g23
  3. 2026-10-07 Fix available: RHSA-2026:73987 · Red Hat
  4. 2026-10-16 EPSS moved to the 50th–90th percentile

References

  • TI-2024-18142 pgx SQL Injection via Protocol Message Size Overflow CVSS 3.1CRITICAL 9.8

Sources