CVE-2026-109964
ImageMagick before 7.1.2-33 and 6.9.13-58 Heap Buffer Underwrite in PICT Decoder
CVSS Score
5.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-124 |
| Vendor | imagemagick |
| Product | imagemagick |
| Published | Oct 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
ImageMagick / ImageMagick
7.0.0-0 < 7.1.2-33 0 < 6.9.13-58
References
github.com: https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-mqmp-r5jh-jx7w github.com: https://github.com/ImageMagick/ImageMagick/commit/63dde0cf281383ab69432b88305f7dcd6a8ce900 github.com: https://github.com/ImageMagick/ImageMagick6/commit/c18c5d5fb7f1d87ddbe0a02e9d1207c89b24588c github.com: https://github.com/ImageMagick/ImageMagick/blob/7.1.2-32/coders/pict.c#L503-L540 github.com: https://github.com/ImageMagick/ImageMagick vulncheck.com: https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-33-and-6.9.13-58-heap-buffer-underwrite-in-pict-decoder
Credits
idoprog