CVE-2026-40183
MEDIUMImageMagick: Heap buffer overflow when encoding JXL image with a 16-bit float
Title source: cnaDescription
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19.
Scores
CVSS v3
5.5
EPSS
0.0000
EPSS Percentile
0.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-122
Status
published
Products (19)
imagemagick/imagemagick
< 7.1.2-19
ImageMagick/ImageMagick
< 7.1.2-19
nuget/Magick.NET-Q16-AnyCPU
0 - 14.12.0NuGet
nuget/Magick.NET-Q16-arm64
0 - 14.12.0NuGet
nuget/Magick.NET-Q16-HDRI-AnyCPU
0 - 14.12.0NuGet
nuget/Magick.NET-Q16-HDRI-arm64
0 - 14.12.0NuGet
nuget/Magick.NET-Q16-HDRI-OpenMP-arm64
0 - 14.12.0NuGet
nuget/Magick.NET-Q16-HDRI-x64
0 - 14.12.0NuGet
nuget/Magick.NET-Q16-HDRI-x86
0 - 14.12.0NuGet
nuget/Magick.NET-Q16-OpenMP-arm64
0 - 14.12.0NuGet
... and 9 more
Published
Apr 13, 2026
Tracked Since
Apr 14, 2026