CVE-2026-56370

MEDIUM4.8

ImageMagick - Out-of-bounds Access in ConnectedComponentsImage via connected-components Artifact

Published Jun 24, 2026

Modified 1 months ago

Details

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.

References

ADVISORY

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-pmpg-6pww-fg6q

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-56370

ADVISORY

https://www.vulncheck.com/advisories/imagemagick-out-of-bounds-access-in-connectedcomponentsimage-via-connected-components-artifact

CVSS Analysis

CVSS v4.0

4.8

Exploitability

Attack Vector