CVE-2016-3991: Libtiff

High severity, CVSS 7.8. EPSS: 3.7% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the loadImage function in the tiffcrop tool in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (out-of-bounds write) or execute arbitrary code via a crafted TIFF image with zero tiles.

Affected products

• Libtiff Libtiff: up to and including 4.0.6
• Oracle Vm Server: version 3.3 only; version 3.4 only

Published 2016-09-21. Last modified 2026-06-17.