CVE:CVE-2012-2862
CNNVD:CNNVD-201208-099
Google Chrome是美国谷歌（Google）公司开发的一款Web浏览器。
Google Chrome 21.0.1180.75之前版本中的PDF功能中存在释放后使用漏洞。远程攻击者利用该漏洞通过特制的文件导致拒绝服务或产生未明其他影响。
solution:Upgrade google chrome to a higher version than 21.0.1180.74,21.0.1180.0,21.0.1180.1,21.0.1180.2,21.0.1180.31,21.0.1180.32,21.0.1180.33,21.0.1180.34,21.0.1180.35,21.0.1180.36,21.0.1180.37,21.0.1180.38,21.0.1180.39,21.0.1180.41,21.0.1180.46,21.0.1180.47,21.0.1180.48,21.0.1180.49,21.0.1180.50,21.0.1180.51,21.0.1180.52,21.0.1180.53,21.0.1180.54,21.0.1180.55,21.0.1180.56,21.0.1180.57,21.0.1180.59,21.0.1180.60,21.0.1180.61,21.0.1180.62,21.0.1180.63,21.0.1180.64,21.0.1180.68,21.0.1180.69,21.0.1180.70,21.0.1180.71,21.0.1180.72,21.0.1180.73,and avoid the version (,21.0.1180.74],21.0.1180.0,21.0.1180.1,21.0.1180.2,21.0.1180.31,21.0.1180.32,21.0.1180.33,21.0.1180.34,21.0.1180.35,21.0.1180.36,21.0.1180.37,21.0.1180.38,21.0.1180.39,21.0.1180.41,21.0.1180.46,21.0.1180.47,21.0.1180.48,21.0.1180.49,21.0.1180.50,21.0.1180.51,21.0.1180.52,21.0.1180.53,21.0.1180.54,21.0.1180.55,21.0.1180.56,21.0.1180.57,21.0.1180.59,21.0.1180.60,21.0.1180.61,21.0.1180.62,21.0.1180.63,21.0.1180.64,21.0.1180.68,21.0.1180.69,21.0.1180.70,21.0.1180.71,21.0.1180.72,21.0.1180.73