CVE-2015-7802: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 1.6% chance of exploitation in the next 30 days.

gifread.c in gif2png, as used in OptiPNG before 0.7.6, allows remote attackers to cause a denial of service (uninitialized memory read) via a crafted GIF file.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 15.10 only
• Optipng Project Optipng: version 0.7.5 only

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