Gentoo Linux Security Advisory GLSA 200509-09 – Arc Riley discovered that Py2Play uses Python pickles to send objects over a peer-to-peer game network, and that clients accept without restriction the objects and code sent by peers. Versions less than or equal to 0.1.7 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/40159/glsa-200509-09.txt
Source: https://packetstormsecurity.com/files/40159/Gentoo-Linux-Security-Advisory-200509-9.html