CVE-2011-1167: Libtiff

Medium severity, CVSS 6.8. EPSS: 6.2% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the thunder (aka ThunderScan) decoder in tif_thunder.c in LibTIFF 3.9.4 and earlier allows remote attackers to execute arbitrary code via crafted THUNDER_2BITDELTAS data in a .tiff file that has an unexpected BitsPerSample value.

Affected products

• Libtiff Libtiff: up to and including 3.9.4; version 3.4 only; version 3.5.1 only; version 3.5.2 only; version 3.5.3 only; version 3.5.4 only; …

Published 2011-03-28. Last modified 2026-06-16.