CVE-2017-17879: Canonical Ubuntu Linux

High severity, CVSS 8.8. EPSS: 2.9% chance of exploitation in the next 30 days.

In ImageMagick 7.0.7-16 Q16 x86_64 2017-12-21, there is a heap-based buffer over-read in ReadOneMNGImage in coders/png.c, related to length calculation and caused by an off-by-one error.

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; version 8.0 only; version 9.0 only
• ImageMagick ImageMagick: version 7.0.7-16 only

Published 2017-12-27. Last modified 2026-06-17.