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CVE-2025-61727

Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509 PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Go standard library / crypto/x509affected 0 before 1.24.11; affected 1.25.0 before 1.25.5

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.