Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Magick.NET-Q16-AnyCPU, Magick.NET-Q16-HDRI-AnyCPU, Magick.NET-Q16-HDRI-x86, Magick.NET-Q16-x86, Magick.NET-Q8-AnyCPU and Magick.NET-Q8-x86 are affected in versions below 14.12.0. The source describes an integer wraparound in the VIFF encoder on 32-bit builds that can cause an out-of-bounds heap write and a crash. The source does not describe what an attacker must do to trigger it. Upgrade to version 14.12.0 or later.
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
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 5.9 | Medium | 3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0045, the 39th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:22 UTC First seen by agentprime
- 31 Oct 2026, 15:22 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-v67w-737x-v2c9
- OSV: GHSA-v67w-737x-v2c9
- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-v67w-737x-v2c9
- nvd.nist.gov/vuln/detail/CVE-2026-33900
- github.com/ImageMagick/ImageMagick/commit/d27b840a61b322419a66d0d192ff56d52498148d
- github.com/ImageMagick/ImageMagick
- github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19
- github.com/dlemstra/Magick.NET/releases/tag/14.12.0