{"id":"CVE-2026-111497","revision":null,"records":[{"revision":"e54f44a693364050bd64f80b9d9de612","observedAt":"2026-10-24T04:48:20.602+00:00","statement":{"source":"cve-program","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.","state":0,"publishedAt":"2026-10-22T13:35:41.975+00:00","modifiedAt":"2026-10-24T03:55:16.808+00:00","affected":[{"ecosystem":"Vendor product","name":"github.com/google/brotli","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Google\",\n                    \"product\": \"Brotli\",\n                    \"packageName\": \"github.com/google/brotli\",\n                    \"repo\": \"https://github.com/google/brotli\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"1.0.3\",\n                            \"lessThan\": \"1.0.10\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"1.1.0\",\n                            \"lessThan\": \"1.1.1\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"1.2.0\",\n                            \"lessThan\": \"1.2.1\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","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,"severity":"CRITICAL"}],"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"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111497","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111497","identifiers":["CVE-2026-111497"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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