CVE-2026-32280highCWE-770

CVE-2026-32280: falha de alta gravidade em Go standard library crypto/x509

Unexpected work during chain building in crypto/x509

Publicada em · Atualizada em

Seguir esta CVE+ Monitorar crypto/x509+ Monitorar go

Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.

21Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 7.5epss 0.6%
During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Produtos afetados
Go standard library · crypto/x509
CVEs relacionadas — Go standard library crypto/x509

No mesmo produto, das mais perigosas para as menos.

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-2025-22865HIGHParsePKCS1PrivateKey panic with partial keys in crypto/x509EPSS 0.6%CVE-2026-27145MEDIUMInefficient candidate hostname parsing in crypto/x509EPSS 0.6%CVE-2024-45341MEDIUMUsage of IPv6 zone IDs can bypass URI name constraints in crypto/x509EPSS 0.6%CVE-2025-61729HIGHExcessive resource consumption when printing error string for host certificate validation in crypto/x509EPSS 0.5%