CVE-2026-40183
ImageMagick: Heap buffer overflow when encoding JXL image with a 16-bit float
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
2th
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.
| CWE | CWE-122 |
| Vendor | imagemagick |
| Product | imagemagick |
| Published | Apr 13, 2026 |
| Last Updated | Apr 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
ImageMagick / ImageMagick
< 7.1.2-19