{"action":"Upgrade python-pyftpdlib to 0.5.2-1 or later.","affected":[{"fixed":"0.5.2-1","introduced":"0"}],"component":"python-pyftpdlib","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["0.5.2-1"],"id":"tcs_01M5N9F1YSHS66M65J6JKDQPPS","modified_at":"2026-10-23T17:47:25.069540097Z","published_at":"2010-10-19T20:00:03.017Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2009-5011","https://security-tracker.debian.org/tracker/CVE-2009-5011"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2009-5011#Debian:14/python-pyftpdlib","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2009-5011"}],"summary":"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"}