CVE-2026-54257
CVE-2026-54257 · Electron: Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow
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Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.1 until 42.3.3, Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow. Most apps will crash and some may perform incorrect buffer allocations in the Node.js Buffer API resulting in unexpected truncation or allocation. This vulnerability is fixed in 42.3.3.
CVSS 9.3 · Critique · EPSS 0,4% · Correctif disponible
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Pile logicielle: node