CVE-2026-62946 — ImageMagick: Integer Overflow in JNX decoder causes heap buffer over-write when processing extremly large files on 32…

CVE-2026-62946

ImageMagick: Integer Overflow in JNX decoder causes heap buffer over-write when processing extremly large files on 32-bit builds PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
ImageMagick / ImageMagick	affected < 7.1.2-27; affected < 6.9.13-52

CWE

CWE-190

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-h22j-f9xw-xjjm

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.