FreeBSD : brotli -- out-of-bounds write permits remote code execution (f1e61d76-cdb6-11f1-b15e-589cfc104230)

critical Nessus Plugin ID 370455

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the f1e61d76-cdb6-11f1-b15e-589cfc104230 advisory.

-Brotli project reports:
CVE-2026-111497: out-of-bounds write permits remote code execution.

Tenable has extracted the preceding description block directly from the FreeBSD 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

Update the affected packages.

Plugin Details

Severity: Critical

ID: 370455

File Name: freebsd_pkg_f1e61d76cdb611f1b15e589cfc104230.nasl

Version: 1.2

Type: Local

Family: FreeBSD Local Security Checks

Published: 10/22/2026

Updated: 10/23/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.33

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2026-111497

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 8.2

Threat Vector: CVSS:4.0/E:P

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:freebsd:freebsd, p-cpe:/a:freebsd:freebsd:brotli

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/22/2026

Vulnerability Publication Date: 10/21/2026

Reference Information

CVE: CVE-2026-111497

Detections

Analytics