CVE:CVE-2012-2850
CNNVD:CNNVD-201207-614
Google Chrome是美国谷歌（Google）公司开发的一款Web浏览器。
Google Chrome PDF查看器中存在多个低级别安全漏洞。远程攻击者可借助特制文档产生未知影响。Google Chrome 21.0.1180.57和21.0.1180.60之前版本中存在漏洞。
solution:Upgrade google chrome to a higher version than 21.0.1180.56,21.0.1180.0,21.0.1180.1,21.0.1180.2,21.0.1180.31,21.0.1180.32,21.0.1180.33,21.0.1180.34,21.0.1180.35,21.0.1180.36,21.0.1180.37,21.0.1180.38,21.0.1180.39,21.0.1180.41,21.0.1180.46,21.0.1180.47,21.0.1180.48,21.0.1180.49,21.0.1180.50,21.0.1180.51,21.0.1180.52,21.0.1180.53,21.0.1180.54,21.0.1180.55,21.0.1180.59,21.0.1180.56,21.0.1180.57,and avoid the version (,21.0.1180.56],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,(,21.0.1180.59],21.0.1180.56,21.0.1180.57