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CVE-2026-25987: ImageMagick has a heap buffer over-read in its MAP image decoder

February 24, 2026

A heap buffer over-read vulnerability exists in the MAP image decoder when processing crafted MAP files, potentially leading to crashes or unintended memory disclosure during image decoding.

=================================================================
==4070926==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x502000002b31 at pc 0x56517afbd910 bp 0x7ffc59e90000 sp 0x7ffc59e8fff0
READ of size 1 at 0x502000002b31 thread T0

References

  • github.com/ImageMagick/ImageMagick
  • github.com/ImageMagick/ImageMagick/commit/bbae0215e1b76830509fd20e6d37c0dd7e3e4c3a
  • github.com/ImageMagick/ImageMagick/security/advisories/GHSA-42p5-62qq-mmh7
  • github.com/advisories/GHSA-42p5-62qq-mmh7
  • github.com/dlemstra/Magick.NET/releases/tag/14.10.3
  • nvd.nist.gov/vuln/detail/CVE-2026-25987

Code Behaviors & Features

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Affected versions

All versions before 14.10.3

Fixed versions

  • 14.10.3

Solution

Upgrade to version 14.10.3 or above.

Impact 5.3 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-125: Out-of-bounds Read

Source file

nuget/Magick.NET-Q16-OpenMP-x64/CVE-2026-25987.yml

Spotted a mistake? Edit the file on GitLab.

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