openSUSE 16 Security Update : Botan (openSUSE-SU-2026:20566-1)

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:20566-1 advisory. This update for Botan fixes the following issue: - CVE-2026-32884: Certificate validation bypass due to mixed-case Common Name in X.509 certificates...

OPENSUSE-SU-2026:20566-1 Security update for Botan

This update for Botan fixes the following issue: - CVE-2026-32884: Certificate validation bypass due to mixed-case Common Name in X.509 certificates bsc1261993...

CVE-2026-32884 Botan: Case-Insensitive CN Values Bypass DNS excludedSubtrees Name Constraints (RFC 5280 Violation)

Botan is a C++ cryptography library. Prior to version 3.11.0, during processing of an X.509 certificate path using name constraints which restrict the set of allowable DNS names, if no subject alternative name is defined in the end-entity certificate Botan would check that the CN was allowed by t...