CVE-2026-55693

Vim prior to 9.2.0653 is affected by a stack-out-of-bounds write in tree_count_words() (src/spellfile.c) when loading crafted .spl/.sug files for spell suggestions. The depth counter can exceed the fixed MAXWLEN-element stacks (arridx[], curi[], wordcount[]), causing writes past array bounds, cor...