CVE-2026-33900
ImageMagick has a Heap overflow caused by integer overflow/wraparound in viff encoder on 32-bit builds
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, the viff encoder contains an integer truncation/wraparound issue on 32-bit builds that could trigger an out of bounds heap write, potentially causing a crash. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.
| CWE | CWE-190 |
| Vendor | imagemagick |
| Product | imagemagick |
| Published | Apr 13, 2026 |
| Last Updated | Apr 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
ImageMagick / ImageMagick
< 6.9.13-44 < 7.1.2-19
References
github.com: https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-v67w-737x-v2c9 github.com: https://github.com/ImageMagick/ImageMagick/commit/d27b840a61b322419a66d0d192ff56d52498148d github.com: https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19 github.com: https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0