VU#573195: Go, OpenSSL, Apple, LibreSSL, pyca, wolfSSL Name-Constraint inconsistency in RFC 5280 implementation

CERT Coordination Center Version 2 imported change current

Imported from official source

This note covers differences in how TLS libraries interpret X.509 Name Constraints. A certificate that one library accepts may be rejected by another. Some of those differences are defects; others follow from behavior that RFC 5280 does not fully specify. The observed differences concern DNS name comparison, IP address handling, URI-authority parsing, and wildcard matching. …

This version

Version
2 of 2
Recorded
October 27, 2026 15:00
Change
Imported change
Content hash
5f5c6b3994aaa9d6968295ac1bc4cfd2
All versions
Revision history

Officially records where a publication came from, not whether it is true. Imported records are reproduced from an organization's own official source.