GHSA-pmq6-8289-hx3v

ghsaUSosv

ImageMagick has Heap Out-of-Bounds Read in DCM Decoder (ReadDCMImage)

view advisory published 2026-03-12Licence: CC-BY-4.0

A heap out-of-bounds read vulnerability exists in the `coders/dcm.c` module. When processing DICOM files with a specific configuration, the decoder loop incorrectly reads bytes per iteration. This causes the function to read past the end of the allocated buffer, potentially leading to a Denial of Service (crash) or Information Disclosure (leaking heap memory into the image).

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-25982USmedium6.5—
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap out-of-bounds read vulnerability exi…
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references

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