{"id":"CVE-2009-5013","aliases":["GHSA-8gv6-x88p-3f6h","PYSEC-2010-10"],"url":"https://o3.security/vulnerability/CVE-2009-5013","summary":"Uncontrolled Resource Consumption in pyftpdlib","details":"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.","published":"2010-10-19T20:00:03Z","modified":"2026-04-10T03:41:04.118807Z","cvss":null,"epss":{"score":0.01748,"percentile":0.76692,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"pyftpdlib","fixedVersion":"0.5.2"}],"fix":null,"references":[{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/issues/detail?id=119"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/source/browse/trunk/HISTORY"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/source/detail?r=615"},{"type":"WEB","url":"http://code.google.com/p/pyftpdlib/source/diff?spec=svn615&r=615&format=side&path=/trunk/pyftpdlib/ftpserver.py"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T03:41:04.118807Z"}}