Case-sensitive excludedSubtrees name constraints cause Auth Bypass in crypto/x509
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.5epss 0.3%
probabilidade de exploração
0.3%top 72% das CVEs
exploração observada
nãonenhuma fonte reporta
When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint. This only affects validation of otherwise trusted certificate chains, issued by a root CA in the VerifyOptions.Roots CertPool, or in the system certificate pool.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Produtos afetados
Go standard library · crypto/x509Referências
https://access.redhat.com/errata/RHSA-2026:10155https://access.redhat.com/errata/RHSA-2026:10158https://access.redhat.com/errata/RHSA-2026:13545https://access.redhat.com/errata/RHSA-2026:14391https://access.redhat.com/errata/RHSA-2026:19135https://access.redhat.com/errata/RHSA-2026:19144https://access.redhat.com/errata/RHSA-2026:19353https://access.redhat.com/errata/RHSA-2026:19714https://access.redhat.com/errata/RHSA-2026:19719https://access.redhat.com/errata/RHSA-2026:19720https://access.redhat.com/errata/RHSA-2026:19721https://access.redhat.com/errata/RHSA-2026:21769