CVE-2026-111497 Out-of-Bounds Write in Google Brotli Decoder

Tillverkarens beskrivning (engelska)

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.

Referensdata

Tillverkare

Google

Berörda produkter

• Brotli

CVSS 4.0

9.2 (CRITICAL)

Vektor

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

Typ av svaghet

CWE-787: Out-of-bounds Write

Publicerad

22 oktober 2026

I KEV-katalogen sedan

27 oktober 2026

Tidsfrist amerikanska federala myndigheter

10 november 2026

Officiella källor

• CVE.org
• NVD
• CISA KEV
• Tillverkarens advisory

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