PT-2026-70248

Name of the Vulnerable Software and Affected Versions Vim versions prior to 9.2.0846 Description The set sofo function in src/spellfile.c reuses the sl sal first array without resetting values previously set by set sal first. A specially crafted spell file containing an SN SAL section before an S...

vim: Vim: Denial of Service via stack out-of-bounds write in spell_soundfold_sofo()

A memory corruption flaw in Vim allows an attacker to cause a Denial of Service DoS. When a SOFO-based spell language is active, providing an excessively long word to the spell checker triggers a stack out-of-bounds write in the spellsoundfoldsofo function, causing the editor to crash...

vim: Vim: Denial of Service via stack out-of-bounds write in spell_soundfold_sofo()

A memory corruption flaw in Vim allows an attacker to cause a Denial of Service DoS. When a SOFO-based spell language is active, providing an excessively long word to the spell checker triggers a stack out-of-bounds write in the spellsoundfoldsofo function, causing the editor to crash...

vim: Vim: Denial of Service via stack out-of-bounds write in spell_soundfold_sofo()

A memory corruption flaw in Vim allows an attacker to cause a Denial of Service DoS. When a SOFO-based spell language is active, providing an excessively long word to the spell checker triggers a stack out-of-bounds write in the spellsoundfoldsofo function, causing the editor to crash...

CVE-2026-57455

A memory corruption flaw in Vim allows an attacker to cause a Denial of Service DoS. When a SOFO-based spell language is active, providing an excessively long word to the spell checker triggers a stack out-of-bounds write in the spellsoundfoldsofo function, causing the editor to crash. Mitigation...

Vim: Stack out-of-bounds write in `spell_soundfold_sofo()` via an over-length `soundfold()` argument

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CVE-2026-57455 Vim: Stack out-of-bounds write in `spell_soundfold_sofo()` via an over-length `soundfold()` argument

Vim is an open source, command line text editor. Prior to 9.2.0698, the single-byte branch of spellsoundfoldsofo 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 an...