{"action":"Upgrade proftpd-dfsg to 1.3.3a-5 or later.","affected":[{"fixed":"1.3.3a-5","introduced":"0"}],"component":"proftpd-dfsg","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.3.3a-5"],"id":"tcs_01M5N9N36RKWKPPJ5VMJD357AB","modified_at":"2026-10-23T17:47:23.009011492Z","published_at":"2010-11-09T21:00:06.383Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2010-4221","https://security-tracker.debian.org/tracker/CVE-2010-4221"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2010-4221","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2010-4221"}],"summary":"Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD before 1.3.3c allow remote attackers to execute arbitrary code via vectors involving a TELNET IAC escap"}