CVE:CVE-2006-3251
CNNVD:CNNVD-200606-512
Hashcash 1.21之前版本的hashcash.c中array_push函数内基于数据堆的缓冲区溢出，可能让远程攻击者通过特制的条目执行任意代码。
solution:Upgrade hashcash hashcash to a higher version than 1.20,1.00,1.01,1.02,1.03,1.04,1.05,1.06,1.07,1.08,1.09,1.10,1.11,1.12,1.13,1.14,1.15,1.16,1.17,1.18,1.19,and avoid the version (,1.20],1.00,1.01,1.02,1.03,1.04,1.05,1.06,1.07,1.08,1.09,1.10,1.11,1.12,1.13,1.14,1.15,1.16,1.17,1.18,1.19