CVE-2026-54257 Electron: Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow

CVE-2026-54257 affects Electron 42.3.1 through 42.3.2 where the Node.js Buffer API uses incorrect byte-length calculations, causing heap underflow/overflow. This can lead to crashes and, in some cases, incorrect buffer allocations (truncation or misallocation). The issue is fixed in Electron 42.3...