CVE-2026-27138: Panic in name constraint checking for malformed certificates in crypto/x509

Overview

Severity
Medium (CVSS 5.9)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Mar
Released
2026-03-11
EPSS Score
0.04% (percentile: 12.3%)

Affected Products (2)

Open Source Software

  • azl3 golang 1.25.7-1 on Azure Linux 3.0
  • azl3 golang 1.26.0-1 on Azure Linux 3.0

Revision History

  • 2026-03-11: Information published.