Vulnerability · Published Jun 10, 2026 · Assigned by GitHub_M
CVE-2026-46520ImageMagick: Heap Buffer Over-Write in IPL decoder when reading multiple images of different dimensions
High 7.5
In plain English
A high-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 0.4% (higher than 38% 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 6.9.13-48 and 7.1.2-23, when reading multiple images with different dimensions an out of bounds heap write can occur. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | imagemagick | 7.1.2.24-r0 | ALPINE-CVE-2026-46520 |
| Alpine:v3.24 | imagemagick | 7.1.2.23-r0 | ALPINE-CVE-2026-46520 |
| Debian:12 | imagemagick | 8:6.9.11.60+dfsg-1.6+deb12u10 | DEBIAN-CVE-2026-46520 |
| Debian:13 | imagemagick | 8:7.1.1.43+dfsg1-1+deb13u9 | DEBIAN-CVE-2026-46520 |
| Debian:14 | imagemagick | 8:7.1.2.23+dfsg1-1 | DEBIAN-CVE-2026-46520 |
| NuGet | magick.net-q16-anycpu | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q16-arm64 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q16-hdri-anycpu | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q16-hdri-arm64 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q16-hdri-openmp-arm64 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q16-hdri-openmp-x64 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q16-hdri-x64 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q16-hdri-x86 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q16-openmp-arm64 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q16-openmp-x64 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q16-x64 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q16-x86 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q8-anycpu | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q8-arm64 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q8-openmp-arm64 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q8-openmp-x64 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q8-x64 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| NuGet | magick.net-q8-x86 | 14.13.1 | GHSA-36wm-hprc-mcf5 |
| Ubuntu:25.10 | imagemagick | no fix listed | UBUNTU-CVE-2026-46520 |
| Ubuntu:26.10 | imagemagick | no fix listed | UBUNTU-CVE-2026-46520 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ImageMagick | ImageMagick | < 6.9.13-48< 7.1.2-23 |
Weakness: CWE-122, CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-36wm-hprc-mcf5 x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2026-46520 vdb-entry, x_refsource_REDHAT
- RHBZ#2487729 issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46520.json x_sadp-csaf-vex
- https://access.redhat.com/errata/RHSA-2026:32961 vendor-advisory, x_refsource_REDHAT