What’s Vulnerable › Vulnerabilities

CVE-2026-116152: ImageMagick before 7.1.2-33 Memory Leak in MAT Decoder Error Path

• Severity: medium (CVSS 5.3 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: 2026-10-25 · updated 2026-10-26
• Weakness: CWE-401

Description

ImageMagick before 7.1.2-33 contains a memory leak vulnerability in the MAT decoder that fails to release allocated memory in a specific error path. Attackers can supply crafted MAT files that trigger this error path repeatedly, causing small memory leaks that gradually consume process memory.

Affected products

• ImageMagick: before 7.1.2-33 — fixed in 7.1.2-33

How to fix

Upgrade to a fixed version: ImageMagick 7.1.2-33. Check the vendor advisory for mitigations.

References

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-83w9-w85j-h9jc
• https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-33-memory-leak-in-mat-decoder-error-path

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