What’s Vulnerable › Vulnerabilities

CVE-2026-86423: ImageMagick before 7.1.2-30 Heap-use-after-free via GetList

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-07 · updated 2026-10-29
• Weakness: CWE-416

Description

ImageMagick before 7.1.2-30 and 6.9.x before 6.9.13-55 contains a heap-use-after-free vulnerability in the GetList method of PerlMagick. A crafted call to the GetList method can trigger the use-after-free, resulting in a crash (denial of service).

Affected products

• ImageMagick: before 6.9.13-55; from 7.0.0-0 before 7.1.2-30 — fixed in 6.9.13-55, 7.1.2-30
• ImageMagick: from 7.0.0 before 7.1.2-30 — fixed in 7.1.2-30

How to fix

Upgrade to a fixed version: ImageMagick 6.9.13-55, 7.1.2-30; ImageMagick 7.1.2-30. Check the vendor advisory for mitigations.

References

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5m9j-96ff-j6qc
• https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-30-heap-use-after-free-via-getlist

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