Critical: firefox security updateMozilla Firefox is an open source Web browser.Several flaws were found in the way Firefox processed certain malformed webcontent. A webpage containing malicious content could cause Firefox tocrash, or potentially execute arbitrary code as the user running Firefox.(CVE-2008-0412, CVE-2008-0413, CVE-2008-0415, CVE-2008-0419)Several flaws were found in the way Firefox displayed malformed webcontent. A webpage containing specially-crafted content could trick a userinto surrendering sensitive information. (CVE-2008-0591, CVE-2008-0593)A flaw was found in the way Firefox stored password data. If a user saveslogin information for a malicious website, it could be possible to corruptthe password database, preventing the user from properly accessing savedpassword data. (CVE-2008-0417)A flaw was found in the way Firefox handles certain chrome URLs. If a userhas certain extensions installed, it could allow a malicious website tosteal sensitive session data. Note: this flaw does not affect a defaultinstallation of Firefox. (CVE-2008-0418)A flaw was found in the way Firefox saves certain text files. If awebsite offers a file of type "plain/text", rather than "text/plain",Firefox will not show future "text/plain" content to the user in thebrowser, forcing them to save those files locally to view the content.(CVE-2008-0592) Users of firefox are advised to upgrade to these updated packages, whichcontain backported patches to resolve these issues.