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CentOS Linux 8.5 [TuxCare] Security Update: httpd / httpd-devel / httpd-filesystem / httpd-manual / httpd-tools / etc (CENTOS8.5:CLSA-2026:1791552137)

high Nessus Plugin ID 364490

Synopsis

The CentOS Linux host is missing one or more security updates.

Description

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1791552137 advisory.

 - A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails. Users are recommended to upgrade to version 2.4.69, which fixes this issue. (CVE-2026-63686)

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 based on the guidance in TuxCare advisory CENTOS8.5:CLSA-2026:1791552137.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1791552137

http://www.nessus.org/u?3d66a894

Plugin Details

Severity: High

ID: 364490

File Name: tuxcare_centos_8.5_CLSA-2026-1791552137.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/9/2026

Updated: 10/9/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.68

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-2026-63686

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

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 10/9/2026

Vulnerability Publication Date: 10/1/2026

Reference Information

CVE: CVE-2026-63686

CLSA: 2026:1791552137