CVE-2015-7801: Canonical Ubuntu Linux

High severity, CVSS 8.8. EPSS: 5.4% chance of exploitation in the next 30 days.

Use-after-free vulnerability in OptiPNG 0.6.4 allows remote attackers to execute arbitrary code via a crafted PNG file.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 15.10 only
• Optipng Project Optipng: up to and including 0.6.4

Published 2016-04-20. Last modified 2026-06-17.