CVE-2018-8905: Canonical Ubuntu Linux

High severity, CVSS 8.8. EPSS: 3.1% chance of exploitation in the next 30 days.

In LibTIFF 4.0.9, a heap-based buffer overflow occurs in the function LZWDecodeCompat in tif_lzw.c via a crafted TIFF file, as demonstrated by tiff2ps.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only
• Debian Debian Linux: version 7.0 only; version 8.0 only; version 9.0 only
• Libtiff Libtiff: version 4.0.9 only
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Workstation: version 7.0 only

Published 2018-03-22. Last modified 2026-06-17.