Debian Security Advisory

DLA-1476-1 dropbear -- LTS security update

Date Reported:
27 Aug 2018
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 906890.
In Mitre's CVE dictionary: CVE-2018-15599.
More information:

A vulnerability in dropbear, a lightweight SSH2 server and client, making it possible to guess valid usernames has been found:

  • CVE-2018-15599

    The recv_msg_userauth_request function in svr-auth.c in is prone to a user enumeration vulnerability, similar to CVE-2018-15473 in OpenSSH.

For Debian 8 Jessie, this problem has been fixed in version 2014.65-1+deb8u3.

We recommend that you upgrade your dropbear packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: