{"api_version":"1","generated_at":"2026-06-26T14:26:55+00:00","cve":"CVE-2026-57455","urls":{"html":"https://cve.report/CVE-2026-57455","api":"https://cve.report/api/cve/CVE-2026-57455.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-57455","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-57455"},"summary":{"title":"Vim: Stack out-of-bounds write in `spell_soundfold_sofo()` via an over-length `soundfold()` argument","description":"Vim is an open source, command line text editor. Prior to 9.2.0698, the single-byte branch of spell_soundfold_sofo() in src/spell.c translates a word through a spell file's SOFO (sound-folding) byte map into a caller-owned result buffer. Its copy loop advances the output index ri with no upper bound and terminates only on the input NUL, writing one byte per input byte into the MAXWLEN-element stack buffer the caller provides. 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