ImageMagick has a Integer Overflow leading to out of bounds write in SIXEL decoder

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16, an integer overflow vulnerability exists in the SIXEL decoer. The vulnerability allows an attacker to perform an out of bounds via a specially crafted image. This vulnerability is fixed in 7.1.2-16.

Problem type

CWE-190: Integer Overflow or Wraparound

Affected products

ImageMagick

ImageMagick

< 7.1.2-16 - AFFECTED

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-r39q-jr8h-gcq2

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-r39q-jr8h-gcq2

x_refsource_CONFIRM

JSON source

https://cveawg.mitre.org/api/cve/CVE-2026-28493

Click to expand

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          "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16, an integer overflow vulnerability exists in the SIXEL decoer. The vulnerability allows an attacker to perform an out of bounds via a specially crafted image. This vulnerability is fixed in 7.1.2-16."
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