The Network Team at @torproject just released #Tor 0.4.7.16 and 0.4.8.8. These two releases contain a fix for a security issue that we consider high severity.
We strongly encourage all relay operators to update their relays to one of these releases.
For more information, see the forum post from David Goulet at https://forum.torproject.org/t/security-release-0-4-7-16-and-0-4-8-8/10064
or tor-relays@ mailing list thread from @ggus https://forum.torproject.org/t/tor-relays-please-upgrade-to-new-tor-release-0-4-7-16-or-0-4-8-8-asap/10065