RHEL 10 : brotli (RHSA-2026:0008)

high Nessus Plugin ID 281647

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Synopsis

The remote Red Hat host is missing a security update for brotli.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:0008 advisory.

Brotli is a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm, Huffman coding and 2nd order context modeling, with a compression ratio comparable to the best currently available general-purpose compression methods. It is similar in speed with deflate but offers more dense compression.

Security Fix(es):

* Scrapy: python-scrapy: brotli: Python brotli decompression bomb DoS (CVE-2025-6176)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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

Update the RHEL brotli package based on the guidance in RHSA-2026:0008.

Plugin Details

Severity: High

ID: 281647

File Name: redhat-RHSA-2026-0008.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 1/5/2026

Updated: 1/5/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:brotli-devel, cpe:/o:redhat:enterprise_linux_eus:10.0, p-cpe:/a:redhat:enterprise_linux:brotli, p-cpe:/a:redhat:enterprise_linux:libbrotli, cpe:/o:redhat:enterprise_linux:10, p-cpe:/a:redhat:enterprise_linux:python3-brotli

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/5/2026

Vulnerability Publication Date: 10/31/2025

Reference Information

CVE: CVE-2025-6176

CWE: 400

RHSA: 2026:0008

Detections

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