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CVE-2026-24485: ImageMagick: Infinite loop vulnerability when parsing a PCD file

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-24 · updated 2026-06-17
• Weakness: CWE-400

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, when a PCD file does not contain a valid Sync marker, the DecodeImage() function becomes trapped in an infinite loop while searching for the Sync marker, causing the program to become unresponsive and continuously consume CPU resources, ultimately leading to system resource exhaustion and denial of service. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

Affected products

• Dlemstra Magick.Net: before 14.10.3 — fixed in 14.10.3
• ImageMagick: before 6.9.13-40; from 7.0.0-0 before 7.1.2-15 — fixed in 6.9.13-40, 7.1.2-15

How to fix

Upgrade to a fixed version: Dlemstra Magick.Net 14.10.3; ImageMagick 6.9.13-40, 7.1.2-15. Check the vendor advisory for mitigations.

References

• https://github.com/ImageMagick/ImageMagick/commit/332c1566acc2de77857032d3c2504ead6210ff50
• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-pqgj-2p96-rx85
• https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3

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