CVE-2026-23876
ImageMagick vulnerability analysis and mitigation

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.


SourceNVD

Related ImageMagick vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-40312MEDIUM5.5
  • C#C#
  • Magick.NET-Q16-HDRI-x86
NoYesApr 13, 2026
CVE-2026-40311MEDIUM5.5
  • C#C#
  • cpe:2.3:a:imagemagick:imagemagick
NoYesApr 13, 2026
CVE-2026-40310MEDIUM5.5
  • C#C#
  • Magick.NET-Q8-OpenMP-x64
NoYesApr 13, 2026
CVE-2026-40183MEDIUM5.5
  • C#C#
  • Magick.NET-Q16-HDRI-arm64
NoYesApr 13, 2026
CVE-2026-40169MEDIUM5.5
  • C#C#
  • imagemagick
NoYesApr 13, 2026

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