CVE-2026-25794

🔴 HIGH

ImageMagick is free and open-source software used for editing and manipulating digital images. `WriteUHDRImage` in `coders/uhdr.c` uses `int` arithmetic to compute the pixel buffer size. Prior to vers...

Published
Feb 24, 2026
Last Modified
Feb 24, 2026
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ImageMagick is free and open-source software used for editing and manipulating digital images. `WriteUHDRImage` in `coders/uhdr.c` uses `int` arithmetic to compute the pixel buffer size. Prior to version 7.1.2-15, when image dimensions are large, the multiplication overflows 32-bit `int`, causing an undersized heap allocation followed by an out-of-bounds write. This can crash the process or potentially lead to an out of bounds heap write. Version 7.1.2-15 contains a patch.

Affected Products (1)

imagemagick - imagemagick

Version: *

CVSS Scores

CVSS 3.1 8.2
8.2
HIGH
CVSS 2.0 8.2

References

Additional Information

Source
security-advisories@github.com
State
Analyzed

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