CVE-2025-61727

unknown
Published 2025-12-02 · Modified 2026-05-15
CVSS v3
CVSS v2
VIR risk

Description

An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2025-61727.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2025-61727

OS impact

OSVersionStatusFixed in
debian debiantrixieaffected
debian debianforkyfixed1.25.6-1
debian debiansidfixed1.25.6-1
debian debianbullseyeaffected
debian debianbookwormaffected
suse slesaffected

Package impact

EcosystemPackageVulnerableFixed
golang Gostdlib>=1.25.0,<1.25.51.24.11

References

Verify integrity in audit chain (admin only). AS-IS.