CVE-2016-3982: Canonical Ubuntu Linux

High severity, CVSS 8.8. EPSS: 4% chance of exploitation in the next 30 days.

Off-by-one error in the bmp_rle4_fread function in pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (out-of-bounds read or write access and crash) or possibly execute arbitrary code via a crafted image file, which triggers a heap-based buffer overflow.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 15.10 only
• Debian Debian Linux: version 7.0 only; version 8.0 only
• Opensuse Leap: version 42.1 only
• Opensuse Opensuse: version 13.2 only
• Optipng Project Optipng: up to and including 0.7.5

Published 2016-04-13. Last modified 2026-06-17.