CVE-2026-42167
Fixed in a distro release EPSS 7%CVSS 8.1
mod_sql in ProFTPD before 1.3.9a allows remote attackers to execute arbitrary code via a username, in scenarios where there is logging of USER requests with an expansion such as %U, and the SQL backend allows commands (e.g., COPY TO PROGRAM).
Products: ProFTPD
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | proftpd-dfsg | 1.3.8+dfsg-4+deb12u5 |
| Debian 13 | proftpd-dfsg | 1.3.8.c+dfsg-4+deb13u2 |
| Debian 14 | proftpd-dfsg | 1.3.9~dfsg-5 |
| Ubuntu 16.04 LTS | proftpd-dfsg | no fix |
| Ubuntu 18.04 LTS | proftpd-dfsg | no fix |
| Ubuntu 20.04 LTS | proftpd-dfsg | no fix |
| Ubuntu 22.04 LTS | proftpd-dfsg | no fix |
| Ubuntu 24.04 LTS | proftpd-dfsg | no fix |
| Ubuntu 25.10 | proftpd-dfsg | no fix |
| Ubuntu 26.04 LTS | proftpd-dfsg | no fix |
| Ubuntu 26.10 | proftpd-dfsg | no fix |
| openSUSE Tumbleweed | proftpd | 1.3.9c-1.1 |