| Name | CVE-2016-3125 | 
| Description | The mod_tls module in ProFTPD before 1.3.5b and 1.3.6 before 1.3.6rc2 does not properly handle the TLSDHParamFile directive, which might cause a weaker than intended Diffie-Hellman (DH) key to be used and consequently allow attackers to have unspecified impact via unknown vectors. | 
| 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 | 818492 | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| proftpd-dfsg (PTS) | bullseye | 1.3.7a+dfsg-12+deb11u2 | fixed | 
|  | bullseye (security) | 1.3.7a+dfsg-12+deb11u5 | fixed | 
|  | bookworm, bookworm (security) | 1.3.8+dfsg-4+deb12u4 | fixed | 
|  | trixie | 1.3.8.c+dfsg-4 | fixed | 
|  | forky, sid | 1.3.9~dfsg-3 | fixed | 
The information below is based on the following data on fixed versions.
Notes
[wheezy] - proftpd-dfsg <no-dsa> (Minor issue; can be fixed in point release)
http://bugs.proftpd.org/show_bug.cgi?id=4230
Fixed in 1.3.6rc2, 1.3.5b.