Package: tor Version: 0.0.7.2+0.0.8pre2-1 Severity: important Tor versions prio to 0.2.9.10 and 0.3.0.4-rc contain an integer underflow in its version comparison. When tor gets built with ftrapv, this is a remotely triggerable DoS.
This is part of the security issue tracked as TROVE-2017-001 upstream.

