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Low3.7Red Hat Linux

Low [CVE-2026-3832] Security bypass allows acceptance of revoked server certificates via crafted OCSP response

This low-severity Red Hat Linux advisory covers CVE-2026-3832 affecting Red Hat Enterprise Linux 1, Red Hat Enterprise Linux 9, gnutls-main.

CVE-2026-3832 Published Apr 30, 2026
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Security bypass allows acceptance of revoked server certificates via crafted OCSP response. Red Hat rates this low (CVSS 3.7).

Weakness: CWE-179. Affected package(s): gnutls-main, rhui5/haproxy-rhel9:1781525671, gnutls, rhui5/installer-rhel9:1781525693, rhui5/cds-rhel9:1781525684, discovery/discovery-ui-rhel9:1782166952.

Resolved in Red Hat advisory RHSA-2026:20613 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 9.

Affected versions
  • gnutls-main-3.8.13-1.hum1
  • rhui5/haproxy-rhel9:1781525671
  • gnutls-0:3.8.9-9.el10_0.19
  • gnutls-0:3.8.10-4.el9_8
  • rhui5/installer-rhel9:1781525693
  • gnutls-0:3.8.10-4.el10_2
  • rhui5/cds-rhel9:1781525684
  • discovery/discovery-ui-rhel9:1782166952
  • discovery/discovery-server-rhel9:1782159791
  • rhui5/rhua-rhel9:1781525739

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

Fixed versions
  • RHSA-2026:20613

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-2026:20613 (`sudo dnf update` / `yum update`).

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

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