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High7.5Vendor: MediumRed Hat Linux

High [CVE-2026-27942] Stack overflow leads to Denial of Service

This high-severity Red Hat Linux advisory covers CVE-2026-27942 affecting odf4/mcg-core-rhel9:1776403991, odf4/mcg-rhel9-operator:1776404009, odf4/odf-cloudnative-pg-rhel9-operator:1776406131.

CVE-2026-27942 Published Feb 26, 2026
CVE-2026-27942
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Stack overflow leads to Denial of Service. Red Hat rates this moderate (CVSS 7.5).

Weakness: CWE-776. Affected package(s): odf4/mcg-core-rhel9:1776403991, odf4/mcg-rhel9-operator:1776404009, odf4/odf-cloudnative-pg-rhel9-operator:1776406131, odf4/odf-external-snapshotter-rhel9-operator:1776406284, odf4/odf-external-snapshotter-sidecar-rhel9:1776406291, advanced-cluster-security/rhacs-main-rhel8:1775594284.

Resolved in Red Hat advisory RHSA-2026:7110 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux.

Affected versions
  • odf4/mcg-core-rhel9:1776403991
  • odf4/mcg-rhel9-operator:1776404009
  • odf4/odf-cloudnative-pg-rhel9-operator:1776406131
  • odf4/odf-external-snapshotter-rhel9-operator:1776406284
  • odf4/odf-external-snapshotter-sidecar-rhel9:1776406291
  • advanced-cluster-security/rhacs-main-rhel8:1775594284
  • odf4/ocs-client-console-rhel9:1776404539
  • odf4/ocs-rhel9-operator:1776404131
  • odf4/odf-cli-rhel9:1776406225
  • odf4/odf-csi-addons-rhel9-operator:1776406286
  • odf4/odf-console-rhel9:1776406770
  • odf4/odf-multicluster-rhel9-operator:1776406384

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • RHSA-2026:7110

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:7110 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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