High [CVE-2026-32829] lz4_flex's decompression can leak information from uninitialized memory or reused output buffer
This high-severity Red Hat Linux advisory covers CVE-2026-32829 affecting Logging Subsystem for Red Hat OpenShift 6.2, Logging Subsystem for Red Hat OpenShift 6.4, Logging Subsystem for Red Hat OpenShift 6.5.
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Summary
lz4_flex's decompression can leak information from uninitialized memory or reused output buffer. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-823. Affected package(s): openshift-logging/vector-rhel9:1777574710, openshift-logging/vector-rhel9:1776894389, rhoai/odh-llm-d-inference-scheduler-rhel9:1778263962, openshift-logging/vector-rhel9:1780052069.
Resolved in Red Hat advisory RHSA-2026:19712 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Logging Subsystem for Red Hat OpenShift 6.2; Logging Subsystem for Red Hat OpenShift 6.4; Logging Subsystem for Red Hat OpenShift 6.5; Red Hat OpenShift AI 3.3; and 4 more.
- openshift-logging/vector-rhel9:1777574710
- openshift-logging/vector-rhel9:1776894389
- rhoai/odh-llm-d-inference-scheduler-rhel9:1778263962
- openshift-logging/vector-rhel9:1780052069
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:19712
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:19712 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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