Debian dla-4629 : apache2 - security update

critical Nessus Plugin ID 320880

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4629 advisory.

- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4629-1 [email protected] https://www.debian.org/lts/security/ Bastien Roucaris June 12, 2026 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : apache2 Version : 2.4.67-1~deb11u3 CVE ID : CVE-2026-29167 CVE-2026-29170 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 CVE-2026-48913 Debian Bug : 1139340

Multiple vulnerabilities have been discovered in the Apache HTTP server, which may result in remote code execution, privilege escalation, denial of service or information disclosure.

For Debian 11 bullseye, these problems have been fixed in version 2.4.67-1~deb11u3.

We recommend that you upgrade your apache2 packages.

For the detailed security status of apache2 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/apache2

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the apache2 packages.

See Also

https://security-tracker.debian.org/tracker/source-package/apache2

https://security-tracker.debian.org/tracker/CVE-2026-29167

https://security-tracker.debian.org/tracker/CVE-2026-29170

https://security-tracker.debian.org/tracker/CVE-2026-34355

https://security-tracker.debian.org/tracker/CVE-2026-34356

https://security-tracker.debian.org/tracker/CVE-2026-42535

https://security-tracker.debian.org/tracker/CVE-2026-42536

https://security-tracker.debian.org/tracker/CVE-2026-43951

https://security-tracker.debian.org/tracker/CVE-2026-44119

https://security-tracker.debian.org/tracker/CVE-2026-44185

https://security-tracker.debian.org/tracker/CVE-2026-44186

https://security-tracker.debian.org/tracker/CVE-2026-44631

https://security-tracker.debian.org/tracker/CVE-2026-48913

https://packages.debian.org/source/bullseye/apache2

Plugin Details

Severity: Critical

ID: 320880

File Name: debian_DLA-4629.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/12/2026

Updated: 6/12/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2026-44631

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:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:apache2-data, p-cpe:/a:debian:debian_linux:apache2-suexec-custom, p-cpe:/a:debian:debian_linux:apache2-utils, p-cpe:/a:debian:debian_linux:libapache2-mod-md, p-cpe:/a:debian:debian_linux:apache2-suexec-pristine, p-cpe:/a:debian:debian_linux:apache2-bin, p-cpe:/a:debian:debian_linux:libapache2-mod-proxy-uwsgi, p-cpe:/a:debian:debian_linux:apache2-doc, p-cpe:/a:debian:debian_linux:apache2-dev, p-cpe:/a:debian:debian_linux:apache2-ssl-dev, p-cpe:/a:debian:debian_linux:apache2

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 6/12/2026

Vulnerability Publication Date: 6/8/2026

Reference Information

CVE: CVE-2026-29167, CVE-2026-29170, 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, CVE-2026-48913

IAVA: 2026-A-0558