CVE-2026-62946
ImageMagick: Integer Overflow in JNX decoder causes heap buffer over-write when processing extremly large files on 32-bit builds
CVSS Score
5.1
EPSS Score
0.1%
EPSS Percentile
3th
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.
| CWE | CWE-190 |
| Vendor | imagemagick |
| Product | imagemagick |
| Published | Jul 30, 2026 |
| Last Updated | Jul 30, 2026 |
Stay Ahead of the Next One
Get instant alerts for imagemagick imagemagick
Be the first to know when new medium vulnerabilities affecting imagemagick imagemagick are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
ImageMagick / ImageMagick
< 7.1.2-27 < 6.9.13-52