ImageMagick: Heap overflow in sun decoder on 32-bit systems may result in out of bounds write

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 0.0034, the 28th percentile, on 10 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-6j5f-24fw-pqp4
• OSV: GHSA-6j5f-24fw-pqp4
• github.com/ImageMagick/ImageMagick/security/advisories/GHSA-6j5f-24fw-pqp4
• nvd.nist.gov/vuln/detail/CVE-2026-25897
• github.com/ImageMagick/ImageMagick/commit/23fde73188ea32c15b607571775d4f92bdb75e60
• github.com/ImageMagick/ImageMagick
• github.com/dlemstra/Magick.NET/releases/tag/14.10.3

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.