CVE-2025-61727

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.

References

https://github.com/advisories/GHSA-xgp8-3hg3-c2mh

https://pkg.go.dev/vuln/GO-2025-4175

https://groups.google.com/g/golang-announce/c/8FJoBkPddm4

https://go.dev/issue/76442

https://go.dev/cl/723900

https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-201106

Details

Source: Mitre, NVD

Named Vulnerability: GO-2025-4175Named Vulnerability: GHSA-5mh9-3jwc-rp59

Risk Information

CVSS v2

CVSS v3

EPSS