Detections
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Oracle Linux 9 : httpd (ELSA-2026-41906)

critical Nessus Plugin ID 328376

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-41906 advisory.

 - Resolves: RHEL-192752 - mod_proxy_html regression in CVE-2026-34355 fix
 - Resolves: RHEL-186217 - httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers (CVE-2026-34356)
 - Resolves: RHEL-182578 - httpd: incomplete fix for CVE-2023-38709 (CVE-2024-42516)
 - Also addresses CVE-2026-24072, CVE-2026-33006, CVE-2026-42535, CVE-2026-43951, CVE-2026-44119, CVE-2026-44186
 - Resolves: RHEL-186186 - httpd: mod_proxy_html buffer handling vulnerability (CVE-2026-34355)
 - Resolves: RHEL-175636 - httpd: mod_dav_lock uses wrong lock discovery (CVE-2026-29169)
 - Resolves: RHEL-186196 - mod_xml2enc: fix bblen accounting in fix_skipto (CVE-2026-42536)
 - Resolves: RHEL-186164 - httpd: fix OCSP write buffer advancement bug in mod_ssl (CVE-2026-44185)
 - Resolves: RHEL-184312 - httpd: ap_regname restrict to reasonable captures (CVE-2026-44631)
 - Resolves: RHEL-173555 - httpd: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow (CVE-2026-28780)
 - Resolves: RHEL-175080 - httpd: NULL pointer dereference can cause a child process crash (CVE-2026-33007)
 - Resolves: RHEL-175100 - httpd: off-by-one out-of-bounds reads in AJP getter functions (CVE-2026-33857)
 - Resolves: RHEL-175028 - httpd: heap-based buffer over-read due to missing null-termination check (CVE-2026-34032)

Tenable has extracted the preceding description block directly from the Oracle Linux 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 packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-41906.html

Plugin Details

Severity: Critical

ID: 328376

File Name: oraclelinux_ELSA-2026-41906.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/20/2026

Updated: 7/20/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.7

Percentile: 99.06

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-42535

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

CVSS Score Source: CVE-2026-44631

Vulnerability Information

CPE: cpe:/o:oracle:linux:9, p-cpe:/a:oracle:linux:httpd-core, p-cpe:/a:oracle:linux:httpd-devel, p-cpe:/a:oracle:linux:httpd-filesystem, p-cpe:/a:oracle:linux:httpd-manual, p-cpe:/a:oracle:linux:httpd-tools, p-cpe:/a:oracle:linux:httpd, p-cpe:/a:oracle:linux:mod_ldap, p-cpe:/a:oracle:linux:mod_lua, p-cpe:/a:oracle:linux:mod_proxy_html, p-cpe:/a:oracle:linux:mod_session, p-cpe:/a:oracle:linux:mod_ssl

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/20/2026

Vulnerability Publication Date: 7/8/2025

Reference Information

CVE: CVE-2024-42516, CVE-2026-24072, CVE-2026-29169, CVE-2026-33006, CVE-2026-34355, CVE-2026-34356, CVE-2026-42535, CVE-2026-42536, CVE-2026-43951, CVE-2026-44119, CVE-2026-44185, CVE-2026-44186, CVE-2026-44631