| Name | CVE-2026-42167 |
| Description | 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). |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1135119 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| proftpd-dfsg (PTS) | bullseye | 1.3.7a+dfsg-12+deb11u2 | vulnerable |
| bullseye (security) | 1.3.7a+dfsg-12+deb11u5 | vulnerable | |
| bookworm | 1.3.8+dfsg-4+deb12u5 | fixed | |
| bookworm (security) | 1.3.8+dfsg-4+deb12u4 | vulnerable | |
| trixie | 1.3.8.c+dfsg-4+deb13u2 | fixed | |
| forky, sid | 1.3.9a~dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| proftpd-dfsg | source | bookworm | 1.3.8+dfsg-4+deb12u5 | |||
| proftpd-dfsg | source | trixie | 1.3.8.c+dfsg-4+deb13u2 | |||
| proftpd-dfsg | source | (unstable) | 1.3.9~dfsg-5 | 1135119 |
https://github.com/proftpd/proftpd/issues/2052