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Python Library Brotli <= 1.1.0 DoS

high Nessus Plugin ID 274433

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Synopsis

A Python library installed on the remote host is affected by a denial of service vulnerability.

Description

The detected version of the Brotli Python package, Brotli, is prior or equal to 1.1.0. It is, therefore, affected by a denial of service (DoS) vulnerability due to decompression.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Brotli version 1.2.0 or later.

See Also

https://github.com/advisories/GHSA-2qfp-q593-8484

Plugin Details

Severity: High

ID: 274433

File Name: python_brotli_1_2_0.nasl

Version: 1.1

Type: local

Agent: windows, macosx, unix

Family: Misc.

Published: 11/7/2025

Updated: 11/7/2025

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

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

CVSS Score Source: CVE-2025-6176

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: cpe:/a:python:brotli

Patch Publication Date: 10/30/2025

Vulnerability Publication Date: 10/30/2025

Reference Information

CVE: CVE-2025-6176

IAVA: 2025-A-0813