CVE-2009-5013

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-10-19 · updated 2026-06-16
Weakness: CWE-399

Description

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: through 0.5.1; 0.1, 0.1.1, 0.2.0, 0.3.0, 0.4.0, 0.5.0

References

http://code.google.com/p/pyftpdlib/issues/detail?id=119
http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
http://code.google.com/p/pyftpdlib/source/detail?r=615
http://code.google.com/p/pyftpdlib/source/diff?spec=svn615&r=615&format=side&path=/trunk/pyftpdlib/ftpserver.py
http://code.google.com/p/pyftpdlib/issues/detail?id=119
http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
http://code.google.com/p/pyftpdlib/source/detail?r=615
http://code.google.com/p/pyftpdlib/source/diff?spec=svn615&r=615&format=side&path=/trunk/pyftpdlib/ftpserver.py

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