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Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 26.04 LTS : ImageMagick vulnerabilities (USN-8739-1)

medium Nessus Plugin ID 344613

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8739-1 advisory.

 It was discovered that ImageMagick incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2026-56366, CVE-2026-56368, CVE-2026-56371, CVE-2026-56373)

 It was discovered that ImageMagick incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 22.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-56370)

 It was discovered that ImageMagick incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service or expose sensitive information. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2026-56378)

 It was discovered that ImageMagick incorrectly handled certain images. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2026-56379)

 It was discovered that ImageMagick incorrectly handled memory allocation in certain operations. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-61465)

 It was discovered that ImageMagick incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 26.04 LTS.
 (CVE-2026-61857)

 It was discovered that ImageMagick incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-61863, CVE-2026-61864, CVE-2026-61865, CVE-2026-61870)

 It was discovered that ImageMagick incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-61866)

 It was discovered that ImageMagick incorrectly handled certain images on 32-bit systems. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 26.04 LTS.
 (CVE-2026-62946)

Tenable has extracted the preceding description block directly from the Ubuntu 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 affected packages.

See Also

https://ubuntu.com/security/notices/USN-8739-1

Plugin Details

Severity: Medium

ID: 344613

File Name: ubuntu_USN-8739-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/10/2026

Updated: 9/10/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:imagemagick-6-common, p-cpe:/a:canonical:ubuntu_linux:imagemagick-6.q16, p-cpe:/a:canonical:ubuntu_linux:imagemagick-6.q16hdri, p-cpe:/a:canonical:ubuntu_linux:imagemagick-7-common, p-cpe:/a:canonical:ubuntu_linux:imagemagick-7.q16, p-cpe:/a:canonical:ubuntu_linux:imagemagick-7.q16hdri, p-cpe:/a:canonical:ubuntu_linux:imagemagick-common, p-cpe:/a:canonical:ubuntu_linux:imagemagick, p-cpe:/a:canonical:ubuntu_linux:libimage-magick-perl, p-cpe:/a:canonical:ubuntu_linux:libimage-magick-q16-perl, p-cpe:/a:canonical:ubuntu_linux:libimage-magick-q16hdri-perl, p-cpe:/a:canonical:ubuntu_linux:libmagick%2b%2b-6-headers, p-cpe:/a:canonical:ubuntu_linux:libmagick%2b%2b-6.q16-5v5, p-cpe:/a:canonical:ubuntu_linux:libmagick%2b%2b-6.q16-7, p-cpe:/a:canonical:ubuntu_linux:libmagick%2b%2b-6.q16-8, p-cpe:/a:canonical:ubuntu_linux:libmagick%2b%2b-6.q16hdri-7, p-cpe:/a:canonical:ubuntu_linux:libmagick%2b%2b-6.q16hdri-8, p-cpe:/a:canonical:ubuntu_linux:libmagick%2b%2b-7-headers, p-cpe:/a:canonical:ubuntu_linux:libmagick%2b%2b-7.q16-5, p-cpe:/a:canonical:ubuntu_linux:libmagick%2b%2b-7.q16hdri-5, p-cpe:/a:canonical:ubuntu_linux:libmagick%2b%2b5, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-6-arch-config, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-6-headers, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-6.q16-2-extra, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-6.q16-2, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-6.q16-3-extra, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-6.q16-3, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-6.q16-6-extra, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-6.q16-6, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-6.q16hdri-3-extra, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-6.q16hdri-3, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-6.q16hdri-6-extra, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-6.q16hdri-6, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-7-arch-config, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-7-headers, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-7.q16-10-extra, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-7.q16-10, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-7.q16hdri-10-extra, p-cpe:/a:canonical:ubuntu_linux:libmagickcore-7.q16hdri-10, p-cpe:/a:canonical:ubuntu_linux:libmagickcore5-extra, p-cpe:/a:canonical:ubuntu_linux:libmagickcore5, p-cpe:/a:canonical:ubuntu_linux:libmagickwand-6-headers, p-cpe:/a:canonical:ubuntu_linux:libmagickwand-6.q16-2, p-cpe:/a:canonical:ubuntu_linux:libmagickwand-6.q16-3, p-cpe:/a:canonical:ubuntu_linux:libmagickwand-6.q16-6, p-cpe:/a:canonical:ubuntu_linux:libmagickwand-6.q16hdri-3, p-cpe:/a:canonical:ubuntu_linux:libmagickwand-6.q16hdri-6, p-cpe:/a:canonical:ubuntu_linux:libmagickwand-7-headers, p-cpe:/a:canonical:ubuntu_linux:libmagickwand-7.q16-10, p-cpe:/a:canonical:ubuntu_linux:libmagickwand-7.q16hdri-10, p-cpe:/a:canonical:ubuntu_linux:libmagickwand5, p-cpe:/a:canonical:ubuntu_linux:perlmagick

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/8/2026

Vulnerability Publication Date: 9/8/2026

Reference Information

USN: 8739-1