{"id":"UBUNTU-CVE-2026-23876","details":"ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-13 and 6.9.13-38, a heap buffer overflow vulnerability in the XBM image decoder (ReadXBMImage) allows an attacker to write controlled data past the allocated heap buffer when processing a maliciously crafted image file. Any operation that reads or identifies an image can trigger the overflow, making it exploitable via common image upload and processing pipelines. Versions 7.1.2-13 and 6.9.13-38 fix the issue.","modified":"2026-05-12T13:26:01.095748680Z","published":"2026-01-20T01:15:00Z","related":["USN-8021-1"],"upstream":["CVE-2026-23876"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-23876"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-23876"},{"type":"REPORT","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-r49w-jqq3-3gx8"},{"type":"REPORT","url":"https://github.com/ImageMagick/ImageMagick/commit/2fae24192b78fdfdd27d766fd21d90aeac6ea8b8"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8021-1"}],"affected":[{"package":{"name":"imagemagick","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/imagemagick?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.7.7.10-6ubuntu3.13+esm18"}]}],"versions":["8:6.7.7.10-5ubuntu3","8:6.7.7.10-5ubuntu4","8:6.7.7.10-6ubuntu1","8:6.7.7.10-6ubuntu2","8:6.7.7.10-6ubuntu3","8:6.7.7.10-6ubuntu3.1","8:6.7.7.10-6ubuntu3.2","8:6.7.7.10-6ubuntu3.3","8:6.7.7.10-6ubuntu3.4","8:6.7.7.10-6ubuntu3.5","8:6.7.7.10-6ubuntu3.6","8:6.7.7.10-6ubuntu3.7","8:6.7.7.10-6ubuntu3.8","8:6.7.7.10-6ubuntu3.9","8:6.7.7.10-6ubuntu3.11","8:6.7.7.10-6ubuntu3.12","8:6.7.7.10-6ubuntu3.13","8:6.7.7.10-6ubuntu3.13+esm1","8:6.7.7.10-6ubuntu3.13+esm2","8:6.7.7.10-6ubuntu3.13+esm3","8:6.7.7.10-6ubuntu3.13+esm4","8:6.7.7.10-6ubuntu3.13+esm5","8:6.7.7.10-6ubuntu3.13+esm6","8:6.7.7.10-6ubuntu3.13+esm7","8:6.7.7.10-6ubuntu3.13+esm8","8:6.7.7.10-6ubuntu3.13+esm9","8:6.7.7.10-6ubuntu3.13+esm10","8:6.7.7.10-6ubuntu3.13+esm11","8:6.7.7.10-6ubuntu3.13+esm12","8:6.7.7.10-6ubuntu3.13+esm13","8:6.7.7.10-6ubuntu3.13+esm14","8:6.7.7.10-6ubuntu3.13+esm15","8:6.7.7.10-6ubuntu3.13+esm16","8:6.7.7.10-6ubuntu3.13+esm17"],"ecosystem_specific":{"availability":"Available 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