Electron: Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow
- When
- Where
- Global (internet)
- Category
- cyber_advisory · npm
### Impact Most apps will crash and some may perform incorrect buffer allocations in the Node.js `Buffer` API resulting in unexpected truncation or allocation. ### Workarounds No workarounds. Do not use these impacted Electron releases ### Fixed Versions * `42.3.3` ### For more information If you have any questions or comments about this advisory, email us at [security@electronjs.org](mailto:security@electronjs.org)
Sources
- GitHub Advisory Database ↗ · first seen 2026-06-15 20:20 UTC
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