CVE-2009-5013: G.rodola Pyftpdlib

Medium severity, CVSS 4.0. EPSS: 1.7% chance of exploitation in the next 30 days.

Memory leak in the on_dtp_close function in ftpserver.py in pyftpdlib before 0.5.2 allows remote authenticated users to cause a denial of service (memory consumption) by sending a QUIT command during a data transfer.

Affected products

• G.rodola Pyftpdlib: up to and including 0.5.1; version 0.1 only; version 0.1.1 only; version 0.2.0 only; version 0.3.0 only; version 0.4.0 only; …

Published 2010-10-19. Last modified 2026-06-16.