crypto/x509 vulnerabilities

CVEs whose affected-version data names the crypto/x509 package (go). Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.

1 CVERSS

CVE-2026-27145Medium· 6.5PoC

3mo ago

(*x509.Certificate).VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name (SAN) entries

(*x509.Certificate).VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name (SAN) entries. This caused strings.Split(host, ".") to execute repeatedly on the same input hostname. With a large DNS SA…

▾ TwilightGo standard library · crypto/x509EPSS 0.59%via NVD