CVE-2026-55892 Vim: Out-of-bounds Write in Spell File Prefix Dump

Vim is an open source, command line text editor. Prior to 9.2.0662, the dumpprefixes function in src/spell.c walks a spell-file prefix trie iteratively with a depth counter while dumping the prefixes that apply to a word. The counter is bounded only by the trie structure itself; it is never check...