Ubuntu Security Notices guidance
Vendor revision: Sep 14, 2026USN-8739-1 fixed vulnerabilities in ImageMagick.
Vulnerability intelligence
CVE-2026-56371 and is rated Medium severity with a CVSS score of 5.3. 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 and 6.9.13-40 contains a memory leak in coders/txt.c when processing TXT files with texture attributes: the texture object allocated via ReadImage is not released when GetTypeMetrics fails, leaking memory each time a crafted TXT file with a texture attribute is processed.
Source: NVD