CVE-2016-3990: Libtiff

High severity, CVSS 7.8. EPSS: 3.8% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the horizontalDifference8 function in tif_pixarlog.c in LibTIFF 4.0.6 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted TIFF image to tiffcp.

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.