CVE-2026-25982

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

Published Feb 24, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
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 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). Versions 7.1.2-15 and 6.9.13-40 contain a patch.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4497-1 imagemagick security update
Debian DSA Debian DSA DSA-6158-1 imagemagick security update
Debian DSA Debian DSA DSA-6159-1 imagemagick security update
Github GHSA Github GHSA GHSA-pmq6-8289-hx3v ImageMagick has Heap Out-of-Bounds Read in DCM Decoder (ReadDCMImage)
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Imagemagick
Imagemagick imagemagick
Vendors & Products Imagemagick
Imagemagick imagemagick
Type Values Removed Values Added
Description 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 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). Versions 7.1.2-15 and 6.9.13-40 contain a patch.
Title ImageMagick Has Heap Out-of-Bounds Read in DCM Decoder (ReadDCMImage)
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Feb 28, 2026, 2:03 AM
Reserved
Feb 9, 2026, 5:41 PM
Status
Analyzed
Published
Feb 24, 2026, 2:16 AM
Modified
Jun 17, 2026, 10:25 AM
Severity
Moderate
Public date
Feb 24, 2026, 1:40 AM