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Broccoli2shell

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  1. 1
    Security flaws reported in Brotli decoder libraries●Brotli Decoder Vulnerabilities (Node2Shell, Broccoli2Shell, HTTP2Shell)✉newsTechnologyCybersecurity1 h ago

    Newly disclosed vulnerabilities in Brotli decoder implementations have been given names including Node2Shell, Broccoli2Shell and HTTP2Shell, suggesting the flaws could allow attackers to achieve remote code execution in environments that parse Brotli-compressed data. Brotli is a compression format widely used across web servers, browsers and developer tooling, so affected libraries are broadly deployed. Esri has published an advisory referencing the issues, and security teams are checking whether their products embed vulnerable decoder code.

  2. 2

    A critical vulnerability in the Brotli decompression library, tracked as CVE-2026-111497 and dubbed Broccoli2Shell, is being flagged by security researchers. The flaw affects the Brotli decoder used widely across software and web infrastructure, raising concerns about potential remote code execution. Security firms are publishing analysis and urging organizations to patch affected systems promptly.