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GLSA-202611-01 : Brotli: Remote code execution

critical Nessus Plugin ID 378754

Description

The remote host is affected by the vulnerability described in GLSA-202611-01 (Brotli: Remote code execution)

 A vulnerability has been discovered in Brotli. Please review the CVE identifier referenced below for details.

Tenable has extracted the preceding description block directly from the Gentoo Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

All Brotli users should upgrade to the latest version:

 # emerge --sync # emerge --ask --oneshot --verbose >=app-arch/brotli-1.2.0-r2

See Also

https://bugs.gentoo.org/show_bug.cgi?id=984677

https://security.gentoo.org/glsa/202611-01

Plugin Details

Severity: Critical

ID: 378754

File Name: gentoo_GLSA-202611-01.nasl

Version: 1.1

Type: Local

Published: 11/11/2026

Updated: 11/11/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

Percentile: 99.88

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-111497

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 9.2

Threat Vector: CVSS:4.0/E:A

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

Vulnerability Information

CPE: cpe:/o:gentoo:linux, p-cpe:/a:gentoo:linux:brotli

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/10/2026

Vulnerability Publication Date: 10/21/2026

CISA Known Exploited Vulnerability Due Dates: 11/10/2026

Reference Information

CVE: CVE-2026-111497