CVE-2026-42311: C Struct Singleton Pointer Identity Tokencve-2026-42311-c-struct-singleton-pointer-identity-token
A static struct pointer is initialized to NULL and populated via a separate initialization function, creating a per-translation-unit accessor/dispatch table. When table entries use per-translation-unit const struct instances as type or mode tokens compared by pointer identity, cross-shared-library comparisons silently return false, selecting the wrong conver
