Ubuntu Security Notices guidance
Vendor revision: Sep 14, 2026USN-8739-1 fixed vulnerabilities in ImageMagick.
Vulnerability intelligence
CVE-2026-56368 and is rated High severity with a CVSS score of 7.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
USN-8739-1 fixed vulnerabilities in ImageMagick.
ImageMagick before 7.1.2-15 contains a memory leak vulnerability in multiple coders that write raw pixel data where allocated objects are not properly freed. Attackers can trigger this leak by processing specially crafted images, causing memory exhaustion and denial of service.
Source: NVD