RHEL 9 : httpd (RHSA-2026:59347)

critical Nessus Plugin ID 339458

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Synopsis

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

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:59347 advisory.

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

Security Fix(es):

* httpd: Apache HTTP Server: Arbitrary code execution or denial of service via use-after-free in mod_ldap per-directory configuration (CVE-2026-29167)

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 httpd package based on the guidance in RHSA-2026:59347.

Plugin Details

Severity: Critical

ID: 339458

File Name: redhat-RHSA-2026-59347.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 8/25/2026

Updated: 8/25/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.37

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-29167

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, cpe:/o:redhat:rhel_eus:9.8, p-cpe:/a:redhat:enterprise_linux:httpd-core, p-cpe:/a:redhat:enterprise_linux:httpd-devel, p-cpe:/a:redhat:enterprise_linux:httpd-filesystem, p-cpe:/a:redhat:enterprise_linux:httpd-manual, p-cpe:/a:redhat:enterprise_linux:httpd-tools, p-cpe:/a:redhat:enterprise_linux:httpd, p-cpe:/a:redhat:enterprise_linux:mod_ldap, p-cpe:/a:redhat:enterprise_linux:mod_lua, p-cpe:/a:redhat:enterprise_linux:mod_proxy_html, p-cpe:/a:redhat:enterprise_linux:mod_session, p-cpe:/a:redhat:enterprise_linux:mod_ssl

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: 8/25/2026

Vulnerability Publication Date: 6/8/2026

Reference Information

CVE: CVE-2026-29167

CWE: 825

RHSA: 2026:59347

Detections

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