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Description

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.

PUBLISHED Reserved 2026-01-16 | Published 2026-01-20 | Updated 2026-01-20 | Assigner GitHub_M




HIGH: 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-122: Heap-based Buffer Overflow

CWE-190: Integer Overflow or Wraparound

Product status

< 7.1.2-13
affected

< 6.9.13-38
affected

References

github.com/...Magick/security/advisories/GHSA-r49w-jqq3-3gx8

github.com/...ommit/2fae24192b78fdfdd27d766fd21d90aeac6ea8b8

cve.org (CVE-2026-23876)

nvd.nist.gov (CVE-2026-23876)

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