CVE-2026-62946
MEDIUMImageMagick: Integer Overflow in JNX decoder causes heap buffer over-write when processing extremly large files on 32-bit builds
Title source: cnaDescription
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to both 6.9.13-52 and 7.1.2-27, processing an extremely large JNX file on 32-bit platforms can cause an integer overflow, leading to a heap buffer over-write. This issue has been fixed in versions 6.9.13-52 and 7.1.2-27.
References (1)
Core 1
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-h22j-f9xw-xjjm
Scores
CVSS v3
5.1
EPSS
0.0013
EPSS Percentile
3.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/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 (2)
ImageMagick/ImageMagick
< 6.9.13-52
ImageMagick/ImageMagick
< 7.1.2-27
Published
Jul 30, 2026
Tracked Since
Jul 30, 2026