What’s Vulnerable › Vulnerabilities

CVE-2026-46520: ImageMagick: Heap Buffer Over-Write in IPL decoder when reading multiple images of different dimensions

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-10 · updated 2026-07-23
• Weakness: CWE-122

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, when reading multiple images with different dimensions an out of bounds heap write can occur. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.

Affected products

• ImageMagick: before 6.9.13-48; from 7.0.0-0 before 7.1.2-23 — fixed in 6.9.13-48, 7.1.2-23

How to fix

Upgrade to a fixed version: ImageMagick 6.9.13-48, 7.1.2-23. Check the vendor advisory for mitigations.

References

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-36wm-hprc-mcf5
• https://access.redhat.com/errata/RHSA-2026:32961
• https://access.redhat.com/security/cve/CVE-2026-46520
• https://bugzilla.redhat.com/show_bug.cgi?id=2487729
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46520.json

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