CVE-2011-0015
Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not properly check the amount of compression in zlib-compressed data, which allows remote attackers to cause a denial of service via a large compression factor.
Date published : 2011-01-19
http://www.securityfocus.com/bid/45832
http://blog.torproject.org/blog/tor-02129-released-security-patches