VU#701544: mpc-lib Hardened Derivation Fails to Protect Ancestor Isolation

CERT/CC vulnerability notes covering multiple products and vulnerability classes, including cryptographic ancestor-isolation failure in Fireblocks mpc-lib, unauthenticated memory exhaustion in COVESA vsomeip, remote code execution issues in PHP, authentication and token-minting bypasses in Xerj and Bisheng, X.509 Name Constraints enforcement inconsistencies across TLS libraries, and OS command injection in Komodo Periphery. Several issues have associated 2026 CVEs and require urgent patching where affected deployments are exposed.