CVE-2013-2292

CVE-2013-2292 describes a denial-of-service vulnerability affecting bitcoind and Bitcoin-Qt versions 0.8.0 and earlier. Remote attackers can exploit this by creating nonstandard Bitcoin transactions with multiple OP_CHECKSIG opcodes, forcing the victim's system to consume excessive electricity during block mining. With a CVSS score of 7.8 (High), this vulnerability is easily exploitable over the network with low attack complexity, leading to a complete denial of service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.