Heap Overflow Vulnerability in ImageMagick for Image Editing
CVE-2026-25794

8.2HIGH

Key Information:

Vendor

Imagemagick
Status
Imagemagick
Vendor
CVE Published:
24 February 2026

What is CVE-2026-25794?

ImageMagick, a widely used open-source software for image manipulation, has a heap overflow vulnerability stemming from improper integer arithmetic in the WriteUHDRImage function. This flaw leads to an inadequate allocation of memory when processing large images, resulting in an out-of-bounds write that could crash the application or potentially allow for arbitrary code execution. Users are advised to upgrade to version 7.1.2-15 or higher to mitigate this security risk.

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Affected Version(s)

ImageMagick < 7.1.2-15

References

https://github.com/ImageMagick/ImageMagick/security/advis...
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CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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