Debian Security Advisory 1674-1 – Javier Fernandez-Sanguino Pena discovered that updatejail, a component of the chroot maintenance tool Jailer, creates a predictable temporary file name, which may lead to local denial of service through a symlink attack.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/72446/dsa-1674-1.txt
Source: https://packetstormsecurity.com/files/72446/Debian-Linux-Security-Advisory-1674-1.html