CVE-2026-109964
MEDIUM severity · CVSS 5.6 · CWE-124
5.6CVSS MEDIUM
Summary
ImageMagick before 7.1.2-33 and 6.9.13-58 contains a heap buffer underwrite vulnerability in DecodeImage() in coders/pict.c on 32-bit builds due to pointer arithmetic overflow. Attackers can supply a crafted PICT file with maximized row, column and bytes-per-line values to bypass bounds checks and write up to 128 controlled bytes below the heap buffer, causing crashes or code execution.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactLow
Availability impactLow
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/ImageMagick/ImageMagick/commit/63dde0cf281383ab69432b88305f7dcd6a8ce900 ↗
Additional information
- NVD record
- https://github.com/ImageMagick/ImageMagick/commit/63dde0cf281383ab69432b88305f7dcd6a8ce900Patch
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-mqmp-r5jh-jx7wPatch
- https://github.com/ImageMagick/ImageMagick6/commit/c18c5d5fb7f1d87ddbe0a02e9d1207c89b24588cPatch
- https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-33-and-6.9.13-58-heap-buffer-underwrite-in-pict-decoderPatch
- https://github.com/ImageMagick/ImageMagick
- https://github.com/ImageMagick/ImageMagick/blob/7.1.2-32/coders/pict.c#L503-L540