CVE-2011-0493
Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha might allow remote attackers to cause a denial of service (assertion failure and daemon exit) via vectors related to malformed router caches and improper handling of integer values.
Date published : 2011-01-19
http://www.securityfocus.com/bid/45953
http://blog.torproject.org/blog/tor-02129-released-security-patches