CVE-2018-14551: Canonical Ubuntu Linux

Critical severity, CVSS 9.8. EPSS: 4% chance of exploitation in the next 30 days.

The ReadMATImageV4 function in coders/mat.c in ImageMagick 7.0.8-7 uses an uninitialized variable, leading to memory corruption.

Affected products

• Canonical Ubuntu Linux: version 18.04 only
• ImageMagick ImageMagick: version 7.0.8-7 only

Published 2018-07-23. Last modified 2026-06-17.