Gentoo Linux Security Advisory GLSA 200508-16 – The Diffie-Hellman implementation of Tor fails to verify the cryptographic strength of keys which are used during handshakes. Versions less than 0.1.0.14 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/39595/glsa-200508-16.txt
Source: https://packetstormsecurity.com/files/39595/Gentoo-Linux-Security-Advisory-200508-16.html