Vulnerability · Published Jun 24, 2026 · Assigned by VulnCheck
CVE-2026-56370ImageMagick - Out-of-bounds Access in ConnectedComponentsImage via connected-components Artifact
Low 3.3
In plain English
A low-severity out-of-bounds read 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 0.2% (higher than 7% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
ImageMagick before 7.1.2-19 contains an out-of-bounds access vulnerability in ConnectedComponentsImage() when processing connected-components artifacts with invalid indices. Attackers can trigger access violations by specifying malformed connected-components definitions via CLI, causing denial of service or potential code execution.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | imagemagick | 8:6.9.11.60+dfsg-1.6+deb12u12 | DEBIAN-CVE-2026-56370 |
| Debian:13 | imagemagick | 8:7.1.1.43+dfsg1-1+deb13u11 | DEBIAN-CVE-2026-56370 |
| Debian:14 | imagemagick | 8:7.1.2.19+dfsg1-1 | DEBIAN-CVE-2026-56370 |
| NuGet | magick.net-q16-anycpu | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q16-arm64 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q16-hdri-anycpu | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q16-hdri-arm64 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q16-hdri-openmp-arm64 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q16-hdri-openmp-x64 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q16-hdri-x64 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q16-hdri-x86 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q16-openmp-arm64 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q16-openmp-x64 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q16-x64 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q16-x86 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q8-anycpu | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q8-arm64 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q8-openmp-arm64 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q8-openmp-x64 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q8-x64 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| NuGet | magick.net-q8-x86 | 14.12.0 | GHSA-pmpg-6pww-fg6q |
| Ubuntu:25.10 | imagemagick | no fix listed | UBUNTU-CVE-2026-56370 |
| Ubuntu:26.10 | imagemagick | no fix listed | UBUNTU-CVE-2026-56370 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ImageMagick | ImageMagick | 7.0.0 – before 7.1.2-19 |
| ImageMagick | ImageMagick | 0 – before 6.9.13-44 |
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L