CVE-2025-61727: Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509
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
- 2025-Dec
- Released
- 2025-12-06
- Last Updated
- 2026-03-31
- EPSS Score
- 0.01% (percentile: 1.4%)
Affected Products (18)
Open Source Software
- cbl2 golang 1.18.8-10 on CBL Mariner 2.0
- cbl2 golang 1.22.7-5 on CBL Mariner 2.0
- azl3 golang 1.23.12-1 on Azure Linux 3.0
- azl3 golang 1.25.5-1 on Azure Linux 3.0
- azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0
- cbl2 gcc 11.2.0-9 on CBL Mariner 2.0
- cbl2 msft-golang 1.24.11-1 on CBL Mariner 2.0
- cbl2 python-tensorboard 2.11.0-3 on CBL Mariner 2.0
- cbl2 tensorflow 2.11.1-2 on CBL Mariner 2.0
Other
- 20973-17084
- 21051-17084
- 21113-17084
- 21117-17086
- 20863-17084
- 20867-17086
- 20942-17086
Mariner
- azl3 gcc 13.2.0-7 on Azure Linux 3.0
- azl3 tensorflow 2.16.1-9 on Azure Linux 3.0
Revision History
- 2025-12-06: Information published.
- 2025-12-07: Information published.
- 2025-12-08: Information published.
- 2025-12-09: Information published.
- 2025-12-12: Information published.
- 2025-12-13: Information published.
- 2026-02-21: Information published.
- 2026-03-03: Information published.
- 2026-03-04: Information published.
- 2026-03-12: Information published.
- 2026-03-31: Information published.