Ad

CVE-2026-40183

MEDIUM CVSS 3.1: 5.5 EPSS 0.00%
Updated Apr 17, 2026
Imagemagick
Parameter Value
CVSS 5.5 (MEDIUM)
Affected Versions before 7.1.2-19
Fixed In 7.1.2
Type CWE-122 (Heap-based Buffer Overflow)
Vendor Imagemagick
Public PoC No

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.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Imagemagick Imagemagick
cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
7.1.2-19