CVE-2026-54257

A flaw was found in Electron, a framework for building cross-platform desktop applications. The Buffer implementation performs incorrect byte length calculations, resulting in a heap buffer underflow or overflow. An attacker could exploit this flaw to cause an application crash or trigger incorre...

CVE-2026-54257

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 t...