Out-of-bounds Read Affecting imagemagick package, versions <8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm15


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-UBUNTU2204-IMAGEMAGICK-17766021
  • published25 Sept 2026
  • disclosed30 Jun 2026

Introduced: 30 Jun 2026

CVE-2026-56361  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Ubuntu:22.04 imagemagick to version 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm15 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream imagemagick package and not the imagemagick package as distributed by Ubuntu. See How to fix? for Ubuntu:22.04 relevant fixed versions and status.

ImageMagick before 7.1.2-19 contains an off-by-one error in morphology validation allowing out-of-bounds heap buffer reads. Attackers can trigger heap buffer overflow by providing incorrect morphology parameters causing single pixel memory access violations.

CVSS Base Scores

version 3.1