CVE-2001-0855: Rational Software Clearcase

High severity, CVSS 7.2. EPSS: 0.9% chance of exploitation in the next 30 days.

Buffer overflow in db_loader in ClearCase 4.2 and earlier allows local users to gain root privileges via a long TERM environment variable.

Affected products

• Rational Software Clearcase: version 3.2_plus only; version 4.0 only; version 4.1 only; version 4.2 only

Published 2001-12-06. Last modified 2026-06-16.