Brotli Decoder Flaw Behind Node.js RCE Also Affects Bun, Python and Other Widely Used Software
The Hacker News · Oct 24, 2026
A memory-corruption flaw in Google's Brotli decoder sits in many programs that unpack Brotli-compressed data, among them Bun, the Python Brotli and brotlicffi packages, and Envoy proxies set up to decompress Brotli. Tracked as CVE-2026-111497, the flaw allows crafted compressed data to overwrite past the end of a buffer and corrupt a program's memory, potentially
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