What’s Vulnerable › Vulnerabilities

CVE-2026-56372: ImageMagick - Heap Buffer Overflow Read via Unrecognized Magnify Method

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-11 · updated 2026-10-25
• Weakness: CWE-122

Description

ImageMagick before 7.1.2-19 contains a heap buffer overflow vulnerability in the magnify operation that allows attackers to read out of bounds memory. An unrecognized magnify:method value triggers an out of bounds read, potentially exposing sensitive information or causing denial of service.

Affected products

• ImageMagick: before 7.1.2-19 — fixed in 7.1.2-19

How to fix

Upgrade to a fixed version: ImageMagick 7.1.2-19. Check the vendor advisory for mitigations.

References

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-8vfj-q2cp-5m5j
• https://www.vulncheck.com/advisories/imagemagick-heap-buffer-overflow-read-via-unrecognized-magnify-method

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