Gentoo Linux Security Advisory GLSA 200606-13 – MySQL is vulnerable to an injection flaw in mysql_real_escape() when used with multi-byte characters. Versions less than 4.1.20 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/47262/glsa-200606-13.txt
Source: https://packetstormsecurity.com/files/47262/Gentoo-Linux-Security-Advisory-200606-13.html

