Vulnerability · Published Mar 9, 2026 · Assigned by GitHub_M
CVE-2026-28686ImageMagick has a write heap-buffer-overflow in PCL encoder via undersized output buffer
Medium 6.8
In plain English
A medium-severity heap buffer overflow in ImageMagick from ImageMagick. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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, A heap-buffer-overflow vulnerability exists in the PCL encode due to an undersized output buffer allocation. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | imagemagick | 7.1.2.17-r0 | ALPINE-CVE-2026-28686 |
| Alpine:v3.24 | imagemagick | 7.1.2.17-r0 | ALPINE-CVE-2026-28686 |
| Debian:12 | imagemagick | 8:6.9.11.60+dfsg-1.6+deb12u8 | DEBIAN-CVE-2026-28686 |
| Debian:13 | imagemagick | 8:7.1.1.43+dfsg1-1+deb13u7 | DSA-6169-1 |
| Debian:13 | imagemagick | 8:7.1.1.43+dfsg1-1+deb13u7 | DEBIAN-CVE-2026-28686 |
| Debian:14 | imagemagick | 8:7.1.2.16+dfsg1-1 | DEBIAN-CVE-2026-28686 |
| NuGet | magick.net-q16-anycpu | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q16-arm64 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q16-hdri-anycpu | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q16-hdri-arm64 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q16-hdri-openmp-arm64 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q16-hdri-openmp-x64 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q16-hdri-x64 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q16-hdri-x86 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q16-openmp-arm64 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q16-openmp-x64 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q16-openmp-x86 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q16-x64 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q16-x86 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q8-anycpu | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q8-arm64 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q8-openmp-arm64 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q8-openmp-x64 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q8-x64 | 14.10.4 | GHSA-467j-76j7-5885 |
| NuGet | magick.net-q8-x86 | 14.10.4 | GHSA-467j-76j7-5885 |
| Ubuntu:25.10 | imagemagick | no fix listed | UBUNTU-CVE-2026-28686 |
| Ubuntu:26.10 | imagemagick | no fix listed | UBUNTU-CVE-2026-28686 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ImageMagick | ImageMagick | >= 7.0.0, < 7.1.2-16< 6.9.13-41 |
Weakness: CWE-122, CWE-131 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H