CVE-2006-1168: Ncompress

High severity, CVSS 7.5. EPSS: 5.8% chance of exploitation in the next 30 days.

The decompress function in compress42.c in (1) ncompress 4.2.4 and (2) liblzw allows remote attackers to cause a denial of service (crash), and possibly execute arbitrary code, via crafted data that leads to a buffer underflow.

Affected products

• Ncompress Ncompress: version 4.2.4 only

Published 2006-08-14. Last modified 2026-06-16.