ImageMagick has a Format String Bug in InterpretImageFilename leads to arbitrary code execution

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.047, the 91st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 15:22 UTC First seen by agentprime
2. 31 Oct 2026, 15:22 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-9ccg-6pjw-x645
• OSV: GHSA-9ccg-6pjw-x645
• github.com/ImageMagick/ImageMagick/security/advisories/GHSA-9ccg-6pjw-x645
• nvd.nist.gov/vuln/detail/CVE-2025-55298
• github.com/ImageMagick/ImageMagick/commit/439b362b93c074eea6c3f834d84982b43ef057d5
• github.com/ImageMagick/ImageMagick
• github.com/dlemstra/Magick.NET/releases/tag/14.8.1
• lists.debian.org/debian-lts-announce/2025/09/msg00012.html

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.