CVE-2026-45130 Vim: Heap Buffer Overflow in spell file loading

Vim is an open source, command line text editor. Prior to version 9.2.0450, a heap buffer overflow exists in readcompound in src/spellfile.c when loading a crafted spell file .spl with UTF-8 encoding active. An attacker-controlled length field in the spell file's compound section overflows a 32-b...