Fedora 42 perl-YAML-Syck High Buffer Overflow Advisory 2026-d226775800

YAML::Syck versions up to and including 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter. The heap overflow occurs when class names exceed the initial 512-byte allocation. The base64 decoder could read past the buffer end on trailing newlines. strtok mutated n->type_id in place, corrupting shared nodeLinuxSecurity – Security AdvisoriesRead More