Gentoo Linux Security Advisory GLSA 200409-02 – The mysqlhotcopy utility can create temporary files with predictable paths, allowing an attacker to use a symlink to trick MySQL into overwriting important data.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34242/glsa-200409-02.txt
Source: https://packetstormsecurity.com/files/34242/Gentoo-Linux-Security-Advisory-200409-2.html