Gentoo Linux Security Advisory GLSA 200503-27 – Toby Dickenson discovered that dyndnsupdate suffers from multiple overflows. Versions less than or equal to 0.6.15 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/36738/glsa-200503-27.txt
Source: https://packetstormsecurity.com/files/36738/Gentoo-Linux-Security-Advisory-200503-27.html