CVE-2026-40183mediumCWE-122

CVE-2026-40183: medium-severity vulnerability in ImageMagick

ImageMagick: Heap buffer overflow when encoding JXL image with a 16-bit float

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.5epss 0.2%
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products
ImageMagick · ImageMagick
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