CVE-2011-2821 (chrome, debian_linux, enterprise_linux_desktop, enterprise_linux_eus, enterprise_linux_server, enterprise_linux_workstation, iphone_os, mac_os_x)

Double free vulnerability in libxml2, as used in Google Chrome before 13.0.782.215, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted XPath expression.