Gentoo Linux Security Advisory GLSA 200609-05 – Daniel Bleichenbacher discovered that it might be possible to forge signatures signed by RSA keys with the exponent of 3. Versions less than 0.9.7k are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/49826/glsa-200609-05.txt
Source: https://packetstormsecurity.com/files/49826/Gentoo-Linux-Security-Advisory-200609-5.html