Medium [CVE-2026-57455] Denial of Service via stack out-of-bounds write in spell_soundfold_sofo
This medium-severity Red Hat Linux advisory covers CVE-2026-57455.
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Summary
Denial of Service via stack out-of-bounds write in spell_soundfold_sofo(). Red Hat rates this moderate (CVSS 4.7).
Weakness: CWE-787. Red Hat lists fixing advisory RHSA-2026:30267 with package vim-main-9.2.725-1.hum1.
- vim-main-9.2.725-1.hum1
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- vim-main-9.2.725-1.hum1
- RHSA-2026:30267
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- To mitigate this issue disable spell checking or avoid using SOFO-based spell files. This can be achieved globally by adding set nospell to your ~/.vimrc configuration file. Ensure your systems utilize standard UTF-8 encoding. This flaw is strictly confined to legacy 8-bit encodings and cannot be triggered under default Red Hat configurations.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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