CVE-2009-5011

pyftpdlib < 0.5.2 - Denial of Service via FTP Connection Race Condition

Title source: llm
STIX 2.1

Description

Race condition in the FTPHandler class in ftpserver.py in pyftpdlib before 0.5.2 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the getpeername function having an ENOTCONN error, a different vulnerability than CVE-2010-3494.

Scores

EPSS 0.0093
EPSS Percentile 56.2%

Details

CWE
CWE-362
Status published
Products (8)
g.rodola/pyftpdlib 0.1
g.rodola/pyftpdlib 0.1.1
g.rodola/pyftpdlib 0.2.0
g.rodola/pyftpdlib 0.3.0
g.rodola/pyftpdlib 0.4.0
g.rodola/pyftpdlib 0.5.0
g.rodola/pyftpdlib < 0.5.1
pypi/pyftpdlib 0 - 0.5.2PyPI
Published Oct 19, 2010
Tracked Since Feb 18, 2026