CVE:CVE-2012-2843
CNNVD:CNNVD-201207-142
Google Chrome是美国谷歌（Google）公司开发的一款Web浏览器。
Google Chrome 20.0.1132.57版本中存在释放后使用漏洞。远程攻击者可利用该漏洞通过相关的布局高度跟踪向量导致拒绝服务或可能存在其他未明影响。
solution:Upgrade google chrome to a higher version than 20.0.1132.56,20.0.1132.0,20.0.1132.1,20.0.1132.2,20.0.1132.3,20.0.1132.4,20.0.1132.5,20.0.1132.6,20.0.1132.7,20.0.1132.8,20.0.1132.9,20.0.1132.10,20.0.1132.11,20.0.1132.12,20.0.1132.13,20.0.1132.14,20.0.1132.15,20.0.1132.16,20.0.1132.17,20.0.1132.18,20.0.1132.19,20.0.1132.20,20.0.1132.21,20.0.1132.22,20.0.1132.23,20.0.1132.24,20.0.1132.25,20.0.1132.26,20.0.1132.27,20.0.1132.28,20.0.1132.29,20.0.1132.30,20.0.1132.31,20.0.1132.32,20.0.1132.33,20.0.1132.34,20.0.1132.35,20.0.1132.36,20.0.1132.37,20.0.1132.38,20.0.1132.39,20.0.1132.40,20.0.1132.41,20.0.1132.42,20.0.1132.43,20.0.1132.45,20.0.1132.46,20.0.1132.47,20.0.1132.54,20.0.1132.55,and avoid the version (,20.0.1132.56],20.0.1132.0,20.0.1132.1,20.0.1132.2,20.0.1132.3,20.0.1132.4,20.0.1132.5,20.0.1132.6,20.0.1132.7,20.0.1132.8,20.0.1132.9,20.0.1132.10,20.0.1132.11,20.0.1132.12,20.0.1132.13,20.0.1132.14,20.0.1132.15,20.0.1132.16,20.0.1132.17,20.0.1132.18,20.0.1132.19,20.0.1132.20,20.0.1132.21,20.0.1132.22,20.0.1132.23,20.0.1132.24,20.0.1132.25,20.0.1132.26,20.0.1132.27,20.0.1132.28,20.0.1132.29,20.0.1132.30,20.0.1132.31,20.0.1132.32,20.0.1132.33,20.0.1132.34,20.0.1132.35,20.0.1132.36,20.0.1132.37,20.0.1132.38,20.0.1132.39,20.0.1132.40,20.0.1132.41,20.0.1132.42,20.0.1132.43,20.0.1132.45,20.0.1132.46,20.0.1132.47,20.0.1132.54,20.0.1132.55