CVE-2012-2249

CVE-2012-2249 describes a denial-of-service vulnerability affecting Tor versions prior to 0.2.3.23-rc. A remote attacker can exploit this flaw by initiating a renegotiation attempt after the V3 link protocol has started, leading to an assertion failure and daemon exit. This vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and no authentication required, resulting in a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.