openSUSE 16 Security Update : python-Brotli (openSUSE-SU-2026:22183-1)

critical Nessus Plugin ID 374753

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:22183-1 advisory.

- CVE-2025-6176: denial of service (DoS) due to a flaw in its brotli decompression (bsc#1252945).
- CVE-2026-111497: Brotli decoder out-of-bounds write permits remote code execution (bsc#1287779).

Update to 1.2.1:

- **decoder / encoder: added static initialization to reduce binary size**
- python: allow limiting decoder output (see SECURITY section)
- python: modernize extension / allow multi-phase module initialization
- decoder / encoder: static tables use small model (allows 2GiB+ binaries)

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

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

Solution

Update the affected python313-Brotli package.

See Also

https://bugzilla.suse.com/1252945

https://bugzilla.suse.com/1287779

https://www.suse.com/security/cve/CVE-2025-6176

https://www.suse.com/security/cve/CVE-2026-111497

Plugin Details

Severity: Critical

ID: 374753

File Name: openSUSE-2026-22183-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/1/2026

Updated: 11/1/2026

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

Percentile: 99.83

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:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:python313-brotli

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/29/2026

Vulnerability Publication Date: 10/31/2025

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

Reference Information

CVE: CVE-2025-6176, CVE-2026-111497