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Debian dla-4448 : imagemagick - security update

critical Nessus Plugin ID 296505

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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-4448 advisory.

 - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4448-1 [email protected] https://www.debian.org/lts/security/ Bastien Roucaris January 24, 2026 https://wiki.debian.org/LTS
 - -------------------------------------------------------------------------

 Package : imagemagick Version : 8:6.9.11.60+dfsg-1.3+deb11u9 CVE ID : CVE-2026-23874 CVE-2026-23876 CVE-2026-23952 Debian Bug : 1126075 1126076 1126077

 imagemagick, a image processing suite, was affected by multiple vulnerabilities

 CVE-2026-23874

 A stack overflow via infinite recursion was found in MSL (Magick Scripting Language) `<write>` command when writing to MSL format

 CVE-2026-23876

 A heap buffer overflow vulnerability was found in the XBM image decoder (ReadXBMImage) allows an attacker to write controlled data past the allocated heap buffer when processing a maliciously crafted image file.
 Any operation that reads or identifies an image can trigger the overflow, making it exploitable via common image upload and processing pipelines

 CVE-2026-23952

 A NULL pointer dereference vulnerability was found in the MSL (Magick Scripting Language) parser when processing <comment> tags before images are loaded. This can lead to DoS attack (Deny of Service)

 For Debian 11 bullseye, these problems have been fixed in version 8:6.9.11.60+dfsg-1.3+deb11u9.

 We recommend that you upgrade your imagemagick packages.

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

 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 imagemagick packages.

See Also

http://www.nessus.org/u?9affa1bb

https://security-tracker.debian.org/tracker/CVE-2026-23874

https://security-tracker.debian.org/tracker/CVE-2026-23876

https://security-tracker.debian.org/tracker/CVE-2026-23952

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

Plugin Details

Severity: Critical

ID: 296505

File Name: debian_DLA-4448.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/24/2026

Updated: 2/3/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-23876

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:imagemagick-common, p-cpe:/a:debian:debian_linux:libmagickcore-dev, p-cpe:/a:debian:debian_linux:libimage-magick-q16-perl, p-cpe:/a:debian:debian_linux:libmagickcore-6-arch-config, p-cpe:/a:debian:debian_linux:libmagickwand-6-headers, p-cpe:/a:debian:debian_linux:libmagickwand-6.q16-dev, p-cpe:/a:debian:debian_linux:imagemagick-6-common, p-cpe:/a:debian:debian_linux:libimage-magick-q16hdri-perl, p-cpe:/a:debian:debian_linux:libmagick%2b%2b-6-headers, p-cpe:/a:debian:debian_linux:libmagick%2b%2b-6.q16hdri-dev, p-cpe:/a:debian:debian_linux:libmagickcore-6.q16hdri-6-extra, p-cpe:/a:debian:debian_linux:libmagickwand-6.q16-6, p-cpe:/a:debian:debian_linux:libmagick%2b%2b-6.q16-8, p-cpe:/a:debian:debian_linux:imagemagick, p-cpe:/a:debian:debian_linux:imagemagick-doc, p-cpe:/a:debian:debian_linux:libmagickwand-dev, p-cpe:/a:debian:debian_linux:perlmagick, p-cpe:/a:debian:debian_linux:imagemagick-6.q16, p-cpe:/a:debian:debian_linux:libimage-magick-perl, p-cpe:/a:debian:debian_linux:libmagickcore-6-headers, p-cpe:/a:debian:debian_linux:libmagickcore-6.q16-dev, p-cpe:/a:debian:debian_linux:imagemagick-6-doc, p-cpe:/a:debian:debian_linux:imagemagick-6.q16hdri, p-cpe:/a:debian:debian_linux:libmagickcore-6.q16hdri-dev, p-cpe:/a:debian:debian_linux:libmagickwand-6.q16hdri-dev, p-cpe:/a:debian:debian_linux:libmagick%2b%2b-6.q16-dev, p-cpe:/a:debian:debian_linux:libmagick%2b%2b-dev, p-cpe:/a:debian:debian_linux:libmagickcore-6.q16-6, p-cpe:/a:debian:debian_linux:libmagickcore-6.q16-6-extra, p-cpe:/a:debian:debian_linux:libmagickcore-6.q16hdri-6, p-cpe:/a:debian:debian_linux:libmagickwand-6.q16hdri-6, p-cpe:/a:debian:debian_linux:libmagick%2b%2b-6.q16hdri-8

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/24/2026

Vulnerability Publication Date: 1/8/2026

Reference Information

CVE: CVE-2026-23874, CVE-2026-23876, CVE-2026-23952

IAVB: 2026-B-0004