{"id":"DEBIAN-CVE-2026-44331","details":"In ProFTPD through 1.3.9a before 7666224, a SQL injection vulnerability in sqltab_fetch_clients_cb() in contrib/mod_wrap2_sql.c allows a remote attacker to inject arbitrary SQL commands via a crafted domain name that is accessed in a reverse DNS lookup. When \"UseReverseDNS on\" is enabled, the attacker-supplied hostname is passed unescaped into SQL queries. The character restrictions of DNS names may affect exploitability.","modified":"2026-05-13T17:00:11.343814Z","published":"2026-05-05T20:16:39.680Z","upstream":["CVE-2026-44331"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-44331"}],"affected":[{"package":{"name":"proftpd-dfsg","ecosystem":"Debian:11","purl":"pkg:deb/debian/proftpd-dfsg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.7a+dfsg-12","1.3.7a+dfsg-12+deb11u1","1.3.7a+dfsg-12+deb11u2","1.3.7a+dfsg-12+deb11u3","1.3.7a+dfsg-12+deb11u5","1.3.7b+dfsg-1","1.3.7b+dfsg-2","1.3.7c+dfsg-1","1.3.7d+dfsg-1","1.3.7d+dfsg-2","1.3.7d+dfsg-3","1.3.8+dfsg-1","1.3.8+dfsg-2","1.3.8+dfsg-3","1.3.8+dfsg-4","1.3.8+dfsg-5","1.3.8+dfsg-6","1.3.8+dfsg-7","1.3.8+dfsg-8","1.3.8.a+dfsg-1","1.3.8.b+dfsg-1","1.3.8.b+dfsg-2","1.3.8.b+dfsg-3","1.3.8.b+dfsg-4","1.3.8.c+dfsg-1","1.3.8.c+dfsg-2","1.3.8.c+dfsg-3","1.3.8.c+dfsg-4","1.3.9a~dfsg-1","1.3.9~dfsg-1","1.3.9~dfsg-2","1.3.9~dfsg-3","1.3.9~dfsg-4","1.3.9~dfsg-5"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-44331.json"}},{"package":{"name":"proftpd-dfsg","ecosystem":"Debian:12","purl":"pkg:deb/debian/proftpd-dfsg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.8+dfsg-4","1.3.8+dfsg-4+deb12u1","1.3.8+dfsg-4+deb12u2","1.3.8+dfsg-4+deb12u3","1.3.8+dfsg-4+deb12u4","1.3.8+dfsg-4+deb12u5","1.3.8+dfsg-5","1.3.8+dfsg-6","1.3.8+dfsg-7","1.3.8+dfsg-8","1.3.8.a+dfsg-1","1.3.8.b+dfsg-1","1.3.8.b+dfsg-2","1.3.8.b+dfsg-3","1.3.8.b+dfsg-4","1.3.8.c+dfsg-1","1.3.8.c+dfsg-2","1.3.8.c+dfsg-3","1.3.8.c+dfsg-4","1.3.9a~dfsg-1","1.3.9~dfsg-1","1.3.9~dfsg-2","1.3.9~dfsg-3","1.3.9~dfsg-4","1.3.9~dfsg-5"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-44331.json"}},{"package":{"name":"proftpd-dfsg","ecosystem":"Debian:13","purl":"pkg:deb/debian/proftpd-dfsg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.8.c+dfsg-4","1.3.8.c+dfsg-4+deb13u1","1.3.8.c+dfsg-4+deb13u2","1.3.9a~dfsg-1","1.3.9~dfsg-1","1.3.9~dfsg-2","1.3.9~dfsg-3","1.3.9~dfsg-4","1.3.9~dfsg-5"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-44331.json"}},{"package":{"name":"proftpd-dfsg","ecosystem":"Debian:14","purl":"pkg:deb/debian/proftpd-dfsg?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.9a~dfsg-1"}]}],"versions":["1.3.8.c+dfsg-4","1.3.9~dfsg-1","1.3.9~dfsg-2","1.3.9~dfsg-3","1.3.9~dfsg-4","1.3.9~dfsg-5"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-44331.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}