CVE-2026-28691
HIGH7.5EPSS 0.06%ImageMagick has uninitialized pointer dereference in JBIG decoder
Published: 3/12/2026Modified: 4/28/2026
Description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, an uninitialized pointer dereference vulnerability exists in the JBIG decoder due to a missing check. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
Affected packages (20)
- Debian/imagemagickfrom 0, < 8:6.9.11.60+dfsg-1.3+deb11u11
- NuGet/Magick.NET-Q16-AnyCPUfrom 0, < 14.10.4
- NuGet/Magick.NET-Q16-arm64from 0, < 14.10.4
- NuGet/Magick.NET-Q16-HDRI-AnyCPUfrom 0, < 14.10.4
- NuGet/Magick.NET-Q16-HDRI-arm64from 0, < 14.10.4
- NuGet/Magick.NET-Q16-HDRI-OpenMP-arm64from 0, < 14.10.4
- NuGet/Magick.NET-Q16-HDRI-OpenMP-x64from 0, < 14.10.4
- NuGet/Magick.NET-Q16-HDRI-x64from 0, < 14.10.4
- NuGet/Magick.NET-Q16-HDRI-x86from 0, < 14.10.4
- NuGet/Magick.NET-Q16-OpenMP-arm64from 0, < 14.10.4
- NuGet/Magick.NET-Q16-OpenMP-x64from 0, < 14.10.4
- NuGet/Magick.NET-Q16-OpenMP-x86from 0, < 14.10.4
- NuGet/Magick.NET-Q16-x64from 0, < 14.10.4
- NuGet/Magick.NET-Q16-x86from 0, < 14.10.4
- NuGet/Magick.NET-Q8-AnyCPUfrom 0, < 14.10.4
- NuGet/Magick.NET-Q8-arm64from 0, < 14.10.4
- NuGet/Magick.NET-Q8-OpenMP-arm64from 0, < 14.10.4
- NuGet/Magick.NET-Q8-OpenMP-x64from 0, < 14.10.4
- NuGet/Magick.NET-Q8-x64from 0, < 14.10.4
- NuGet/Magick.NET-Q8-x86from 0, < 14.10.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-28691
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-28691
- PATCHhttps://github.com/ImageMagick/ImageMagick
- WEBhttps://github.com/dlemstra/Magick.NET/releases/tag/14.10.4
- WEBhttps://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wj8w-pjxf-9g4f