Debian Security Advisory DSA 923-1 – A buffer overflow has been discovered in dropbear, a lightweight SSH2 server and client, that may allow authenticated users to execute arbitrary code as the server user (usually root).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/42557/dsa-923-1.txt
Source: https://packetstormsecurity.com/files/42557/Debian-Linux-Security-Advisory-923-1.html