CVE-2009-5013

NONECVSS 0.0

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 66.8%
KEV: Not listed

Published

October 19, 2010

Last Modified

April 29, 2026

References (8)

cve@mitrehttp://code.google.com/p/pyftpdlib/issues/detail?id=119
cve@mitrehttp://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
cve@mitrehttp://code.google.com/p/pyftpdlib/source/detail?r=615
cve@mitrehttp://code.google.com/p/pyftpdlib/source/diff?spec=svn615&r=615&format=side&path=/trunk/pyftpdlib/ftpserver.py
af854a3a-2127-422b-91ae-364da2661108http://code.google.com/p/pyftpdlib/issues/detail?id=119
af854a3a-2127-422b-91ae-364da2661108http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY
af854a3a-2127-422b-91ae-364da2661108http://code.google.com/p/pyftpdlib/source/detail?r=615
af854a3a-2127-422b-91ae-364da2661108http://code.google.com/p/pyftpdlib/source/diff?spec=svn615&r=615&format=side&path=/trunk/pyftpdlib/ftpserver.py

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
pyftpdlib	0.2.0, 0.3.0, 0.4.0, 0.5.0, 0.5.1	0.5.2	—

Data Freshness Timeline

(refreshed 14× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:43 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:39 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 11:21 UTCepss_batch
2026-05-20 11:21 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2009-5013?

CVE-2009-5013 is a none vulnerability published on October 19, 2010. Memory leak in the ondtpclose 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.

When was CVE-2009-5013 disclosed?

CVE-2009-5013 was first published in the National Vulnerability Database on October 19, 2010, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2009-5013 actively exploited?

CVE-2009-5013 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-5013?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-5013, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2009-5013

Explore →

Is Your Infrastructure Affected by CVE-2009-5013?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2009-5013

📅 Published

🔄 Last Modified

🔗 References (8)