CVE-2024-45341: medium-severity vulnerability in Go standard library crypto/x509
Usage of IPv6 zone IDs can bypass URI name constraints in crypto/x509
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.1epss 0.6%
A certificate with a URI which has a IPv6 address with a zone ID may incorrectly satisfy a URI name constraint that applies to the certificate chain. Certificates containing URIs are not permitted in the web PKI, so this only affects users of private PKIs which make use of URIs.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected products
Go standard library · crypto/x509Related CVEs — Go standard library crypto/x509
In the same product, most dangerous first.
CVE-2024-24783MEDIUMVerify panics on certificates with an unknown public key algorithm in crypto/x509EPSS 0.7%CVE-2026-27137HIGHIncorrect enforcement of email constraints in crypto/x509EPSS 0.7%CVE-2026-32280HIGHUnexpected work during chain building in crypto/x509EPSS 0.6%CVE-2025-22865HIGHParsePKCS1PrivateKey panic with partial keys in crypto/x509EPSS 0.6%CVE-2026-27145MEDIUMInefficient candidate hostname parsing in crypto/x509EPSS 0.6%CVE-2025-61729HIGHExcessive resource consumption when printing error string for host certificate validation in crypto/x509EPSS 0.5%