High severityNVD Advisory· Published Oct 19, 2010· Updated Apr 29, 2026
CVE-2010-3494
CVE-2010-3494
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 accept function having an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
pyftpdlibPyPI | < 0.5.2 | 0.5.2 |
Affected products
7cpe:2.3:a:g.rodola:pyftpdlib:*:*:*:*:*:*:*:*+ 6 more
- cpe:2.3:a:g.rodola:pyftpdlib:*:*:*:*:*:*:*:*range: <=0.5.1
- cpe:2.3:a:g.rodola:pyftpdlib:0.1:*:*:*:*:*:*:*
- cpe:2.3:a:g.rodola:pyftpdlib:0.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:g.rodola:pyftpdlib:0.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:g.rodola:pyftpdlib:0.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:g.rodola:pyftpdlib:0.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:g.rodola:pyftpdlib:0.5.0:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
14- bugs.python.org/issue6706nvdPatchWEB
- github.com/advisories/GHSA-hw4g-fhcp-x5mqghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2010-3494ghsaADVISORY
- code.google.com/p/pyftpdlib/issues/detailnvdWEB
- code.google.com/p/pyftpdlib/issues/detailnvdWEB
- code.google.com/p/pyftpdlib/source/browse/trunk/HISTORYnvdWEB
- code.google.com/p/pyftpdlib/source/detailnvdWEB
- code.google.com/p/pyftpdlib/source/diffnvdWEB
- www.openwall.com/lists/oss-security/2010/09/09/6nvdWEB
- www.openwall.com/lists/oss-security/2010/09/11/2nvdWEB
- www.openwall.com/lists/oss-security/2010/09/22/3nvdWEB
- www.openwall.com/lists/oss-security/2010/09/24/3nvdWEB
- bugs.launchpad.net/zodb/+bug/135108nvdWEB
- github.com/pypa/advisory-database/tree/main/vulns/pyftpdlib/PYSEC-2010-11.yamlghsaWEB
News mentions
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