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. Users 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.
OhShit! incidents
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-111497 ↗
- nodejs.org/en/blog/vulnerability/october-2026-security-releases ↗
- www.openwall.com/lists/oss-security/2026/10/23/25 ↗
- www.openwall.com/lists/oss-security/2026/10/24/6 ↗
- github.com/advisories/GHSA-9v8h-qqgm-4m35 ↗
- lists.debian.org/debian-lts-announce/2026/10/msg00049.html ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.