CVE-2017-18273: Canonical Ubuntu Linux

Medium severity, CVSS 6.5. EPSS: 2.3% chance of exploitation in the next 30 days.

In ImageMagick 7.0.7-16 Q16 x86_64 2017-12-22, an infinite loop vulnerability was found in the function ReadTXTImage in coders/txt.c, which allows attackers to cause a denial of service (CPU exhaustion) via a crafted image file that is mishandled in a GetImageIndexInList call.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 17.10 only; version 18.04 only
• Debian Debian Linux: version 7.0 only
• ImageMagick ImageMagick: version 7.0.7-16 only

Published 2018-05-18. Last modified 2026-06-17.