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Brotli Decoder Flaw Behind Node.js RCE Also Affects Bun, Python and Other Widely Used Software

The Hacker News · info@thehackernews.com (The Hacker News)

Published by the source: Sat, 24 Oct 2026 16:39:29 +0530

From The Hacker News

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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