What’s Vulnerable › Vulnerabilities

CVE-2017-18272

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-05-18 · updated 2026-06-17
• Weakness: CWE-416

Description

In ImageMagick 7.0.7-16 Q16 x86_64 2017-12-25, there is a use-after-free in ReadOneMNGImage in coders/png.c, which allows attackers to cause a denial of service via a crafted MNG image file that is mishandled in an MngInfoDiscardObject call.

Affected products

• ImageMagick: from 7.0.7-16 before 7.0.7-21 — fixed in 7.0.7-21

How to fix

Upgrade to a fixed version: ImageMagick 7.0.7-21. Check the vendor advisory for mitigations.

References

• https://github.com/ImageMagick/ImageMagick/issues/918
• https://github.com/ImageMagick/ImageMagick/issues/918

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