Gentoo Linux Security Advisory GLSA 200904-20 – Multiple errors in CUPS might allow for the remote execution of arbitrary code or DNS rebinding attacks. Versions less than 1.3.10 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/77000/glsa-200904-20.txt
Source: https://packetstormsecurity.com/files/77000/Gentoo-Linux-Security-Advisory-200904-20.html