{"id":"BIT-dotnet-2026-111497","summary":"Out-of-Bounds Write in Google Brotli Decoder","details":"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.","aliases":["BIT-brotli-2026-111497","BIT-dotnet-sdk-2026-111497","BIT-node-2026-111497","BIT-node-min-2026-111497","BIT-powershell-2026-111497","CVE-2026-111497","GHSA-9v8h-qqgm-4m35","PYSEC-2026-4322","PYSEC-2026-4323"],"modified":"2026-10-29T10:55:43.321941131Z","published":"2026-10-29T08:42:09.842Z","database_specific":{"cpes":["cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*"],"severity":"Critical"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/10/23/25"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/10/24/6"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/10/26/12"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/10/26/13"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2026/10/26/16"},{"type":"ADVISORY","url":"https://broccoli2shell.com"},{"type":"ADVISORY","url":"https://ellio.tech/en/blog/node2shell-cve-2026-111497-rce-on-stock-nodejs-builds/"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-9v8h-qqgm-4m35"},{"type":"ARTICLE","url":"https://github.com/andybalholm/brotli/releases/tag/v1.2.7"},{"type":"ADVISORY","url":"https://github.com/dotnet/announcements/issues/494"},{"type":"ARTICLE","url":"https://github.com/google/brotli/releases/tag/v1.0.10"},{"type":"ARTICLE","url":"https://github.com/google/brotli/releases/tag/v1.1.1"},{"type":"ARTICLE","url":"https://github.com/google/brotli/releases/tag/v1.2.1"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2026/10/msg00049.html"},{"type":"ADVISORY","url":"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"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111497"},{"type":"ADVISORY","url":"https://patchtheplanet.org/brotli"},{"type":"ADVISORY","url":"https://www.aikido.dev/blog/node2shell-nodejs-brotli-rce-cve-2026-111497"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-111497"}],"affected":[{"package":{"name":"dotnet","ecosystem":"Bitnami","purl":"pkg:bitnami/dotnet"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0"},{"fixed":"8.0.33"},{"introduced":"9.0.0"},{"fixed":"9.0.22"},{"introduced":"10.0.0"},{"fixed":"10.0.14"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/dotnet/BIT-dotnet-2026-111497.json"},"severity":[{"type":"CVSS_V4","score":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"schema_version":"1.9.2"}