CVE-2026-55892

Vim vulnerability CVE-2026-55892 affects Vim prior to 9.2.0662. The dump_prefixes() function in src/spell.c walks a spell-file prefix trie with a depth counter and indexes fixed MAXWLEN-element arrays (prefix[], arridx[], curi[]). The depth bound is the trie itself, not the array size, allowing a...

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...

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...

PT-2026-52473

Name of the Vulnerable Software and Affected Versions Vim versions prior to 9.2.0662 Description The dump prefixes function in src/spell.c iteratively walks a spell-file prefix trie using a depth counter to dump prefixes applying to a word. Because the counter is not checked against the size of t...