CVE-2026-3833: Gnutls: gnutls: policy bypass due to case-sensitive nameconstraints comparison

Overview

Severity
Medium (CVSS 6.5)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Exploit Status
Not Exploited
Patch Tuesday
2026-Aug
Released
2026-05-07
Last Updated
2026-08-07
EPSS Score
0.56% (percentile: 43.8%)

Affected Products (3)

Open Source Software

  • cbl2 gnutls 3.7.11-6 on CBL Mariner 2.0
  • azl3 gnutls 3.8.3-8 on Azure Linux 3.0
  • cbl2 gnutls 3.7.11-6

Revision History

  • 2026-05-07: Information published.
  • 2026-05-19: Information published.
  • 2026-08-07: Information published.