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Linux Distros Unpatched Vulnerability : CVE-2026-46520

high Nessus Plugin ID 316525

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, when reading multiple images with different dimensions an out of bounds heap write can occur. This issue has been patched in versions 6.9.13-48 and 7.1.2-23. (CVE-2026-46520)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2026-46520

https://ubuntu.com/security/CVE-2026-46520

Plugin Details

Severity: High

ID: 316525

File Name: unpatched_CVE_2026_46520.nasl

Version: 1.6

Type: Local

Agent: unix

Family: Misc.

Published: 5/22/2026

Updated: 6/11/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-46520

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:centos:centos:7, cpe:/o:redhat:enterprise_linux:7, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:centos:centos:imagemagick, p-cpe:/a:centos:centos:imagemagick-devel, p-cpe:/a:centos:centos:imagemagick-perl, p-cpe:/a:centos:centos:imagemagick-doc, p-cpe:/a:redhat:enterprise_linux:imagemagick, p-cpe:/a:redhat:enterprise_linux:imagemagick-devel, p-cpe:/a:redhat:enterprise_linux:imagemagick-perl, p-cpe:/a:redhat:enterprise_linux:imagemagick-doc, p-cpe:/a:canonical:ubuntu_linux:imagemagick, p-cpe:/a:redhat:enterprise_linux:imagemagick-c%2b%2b, p-cpe:/a:redhat:enterprise_linux:imagemagick-c%2b%2b-devel, p-cpe:/a:centos:centos:imagemagick-c%2b%2b, p-cpe:/a:centos:centos:imagemagick-c%2b%2b-devel, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:25.10, cpe:/o:canonical:ubuntu_linux:26.04:-:lts

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 5/18/2026

Reference Information

CVE: CVE-2026-46520