UNKNOWN npm
Electron: Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow
GHSA-q6m5-f73j-m9mc · CVE-2026-54257
Published · Modified
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Description
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
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