CVE-2026-109964ImageMagick before 7.1.2-33 and 6.9.13-58 Heap Buffer Underwrite in PICT Decoder
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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.
- CVSS
- 5.6 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- Weakness (CWE)
- CWE-124
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 13, 2026
- First seen by InfoSec Signals
- Oct 13, 2026
Affected products
ImageMagick ImageMagick imagemagick:imagemagick (from the name) | from 7.0.0-0 before 7.1.2-33; before 6.9.13-58 | CNA record |
References
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-mqmp-r5jh-jx7wvendor-advisory
- https://github.com/ImageMagick/ImageMagick/commit/63dde0cf281383ab69432b88305f7dcd6a8ce900patch
- https://github.com/ImageMagick/ImageMagick6/commit/c18c5d5fb7f1d87ddbe0a02e9d1207c89b24588cpatch
- https://github.com/ImageMagick/ImageMagick/blob/7.1.2-32/coders/pict.c#L503-L540technical-description
- https://github.com/ImageMagick/ImageMagickproduct
- https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-33-and-6.9.13-58-heap-buffer-underwrite-in-pict-decoderthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.