crypto/x509: Tighten URI name constraints parsing and matching

F-BORINGSSL-001-004

Public snapshot: 26 Sep 2026. Status, releases and attribution belong to each source below; none is inferred from another record.

Recorded evidence

—score not recorded

google/boringsslReported fixgoogle/boringssl

crypto/x509: Tighten URI name constraints parsing and matching

fixed publicly

details

Finding IDs: F-BORINGSSL-001-004
Status: fixed publicly
Reported via: Google OSS VRP / Chromium issue 487820706
Note: public landed commit b84dc606410e; reviewed as CL 92687. commit message references Bug: 487820706, 502006234. fix tightens URI nameConstraints parsing and matching, rejecting userinfo@ misleading hosts, nonnumeric ports, malformed hosts, and IP/IPv6 URI hosts.

F-BORINGSSL-001-004: Verification failures. URI authority parsing accepts malformed hosts during name-constraint validation. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.

Mechanism source for F-BORINGSSL-001-004

Security area (1seal assessment): Identity. URI authority parsing accepts malformed hosts during name-constraint validation. Reviewed 24 Sep 2026.

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