What’s Vulnerable › Vulnerabilities

CVE-2026-61870: ImageMagick before 7.1.2-26 Memory Leak via VIFF Encoder

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-11 · updated 2026-10-29
• Weakness: CWE-401

Description

ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the VIFF encoder when memory allocation fails. Attackers can trigger allocation failures by processing specially crafted VIFF images to exhaust available memory and cause denial of service.

Affected products

• ImageMagick: before 6.9.13-51; from 7.0.0-0 before 7.1.2-26 — fixed in 6.9.13-51, 7.1.2-26
• ImageMagick: from 7.0.0 before 7.1.2-26 — fixed in 7.1.2-26

How to fix

Upgrade to a fixed version: ImageMagick 6.9.13-51, 7.1.2-26; ImageMagick 7.1.2-26. Check the vendor advisory for mitigations.

References

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-m596-67p7-69wh
• https://www.vulncheck.com/advisories/imagemagick-before-26-memory-leak-via-viff-encoder

Get alerted when CVE-2026-61870 or the next vulnerability affects your stack