CRITICALCVSS v4 9.2Vulnerability

CVE-2026-111497

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.

Properties

Severity
CRITICAL
Nvd fetched at
2026-10-22T22:14:18.200859+00:00
Cvss score
9.2
Cvss severity
CRITICAL
Retrieved at
2026-10-22T22:16:40+00:00
Score
9.2
Last source
NVD
Cvss version
4.0
Cve id
CVE-2026-111497
Cvss 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/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
First seen by Signal
2026-10-22T18:12:34+00:00
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/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
Published at
2026-10-22T14:17:37.190
Last modified
2026-10-22T19:17:35.907

Related Entities (2)

HAS_WEAKNESS (2)

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CVE-2026-111497 (CVSS v4 9.2) — Ninja Signal Threat Intelligence | Ninja Signal