Debian Linux Security Advisory 2056-1 – It was discovered that in zonecheck, a tool to check DNS configurations, the CGI does not perform sufficient sanitation of user input; an attacker can take advantage of this and pass script code in order to perform cross-site scripting attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/90360/dsa-2056-1.txt
Source: https://packetstormsecurity.com/files/90360/Debian-Linux-Security-Advisory-2056-1.html