{"id":"CVE-2026-111497","aliases":[],"title":"Out-of-Bounds Write in Google Brotli Decoder","description":"A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream.\n\n\n\n\n\nUsers need to update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1.","severity":"critical","score":9.2,"published":"2026-10-22T13:35:41.975Z","modified":"2026-10-27T19:59:03.370Z","withdrawn":false,"knownExploited":true,"affected":[],"references":["https://nodejs.org/en/blog/vulnerability/october-2026-security-releases#nodejs-brotli-decoder-out-of-bounds-write-permits-remote-code-execution-cve-2026-111497---high","https://github.com/andybalholm/brotli/releases/tag/v1.2.7"],"sources":[{"name":"CVE","id":"CVE-2026-111497","modified":"2026-10-27T19:59:03.370Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-111497"}],"assessments":[{"source":"CNA","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.2}],"sourceAffected":[]}