CVE-2003-0015: Cvs

High severity, CVSS 7.5. EPSS: 23.9% chance of exploitation in the next 30 days.

Double-free vulnerability in CVS 1.11.4 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via a malformed Directory request, as demonstrated by bypassing write checks to execute Update-prog and Checkin-prog commands.

Affected products

• Cvs Cvs: version 1.10.7 only; version 1.10.8 only; version 1.11 only; version 1.11.1 only; version 1.11.1p1 only; version 1.11.2 only; …
• Freebsd Freebsd: version 4.4 only; version 4.5 only; version 4.6 only; version 4.7 only; version 5.0 only

Published 2003-02-07. Last modified 2026-06-16.