CVE-2010-4652: ProFTPD

Medium severity, CVSS 6.8. EPSS: 11.2% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the sql_prepare_where function (contrib/mod_sql.c) in ProFTPD before 1.3.3d, when mod_sql is enabled, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted username containing substitution tags, which are not properly handled during construction of an SQL query.

Affected products

• ProFTPD ProFTPD: up to and including 1.3.3; version 1.2.0 only; version 1.2.1 only; version 1.2.2 only; version 1.2.3 only; version 1.2.4 only; …

Published 2011-02-02. Last modified 2026-06-16.