CVE-2026-33900
MEDIUMImageMagick VIFF Encoder 32-bit Builds - Heap Overflow
Title source: manualDescription
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.
References (4)
Core 4
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-v67w-737x-v2c9
X_Refsource_Misc x_refsource_misc
https://github.com/ImageMagick/ImageMagick/commit/d27b840a61b322419a66d0d192ff56d52498148d
X_Refsource_Misc x_refsource_misc
https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19
X_Refsource_Misc x_refsource_misc
https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0
Scores
CVSS v3
5.9
EPSS
0.0043
EPSS Percentile
34.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-190
Status
published
Products (9)
imagemagick/imagemagick
< 6.9.13-44
ImageMagick/ImageMagick
< 6.9.13-44
ImageMagick/ImageMagick
< 7.1.2-19
nuget/Magick.NET-Q16-AnyCPU
0 - 14.12.0NuGet
nuget/Magick.NET-Q16-HDRI-AnyCPU
0 - 14.12.0NuGet
nuget/Magick.NET-Q16-HDRI-x86
0 - 14.12.0NuGet
nuget/Magick.NET-Q16-x86
0 - 14.12.0NuGet
nuget/Magick.NET-Q8-AnyCPU
0 - 14.12.0NuGet
nuget/Magick.NET-Q8-x86
0 - 14.12.0NuGet
Published
Apr 13, 2026
Tracked Since
Apr 14, 2026