Critical: seamonkey security updateSeaMonkey is an open source Web browser, advanced email and newsgroupclient, IRC chat client, and HTML editor.Several flaws were found in the way SeaMonkey processed certain malformedweb content. A webpage containing malicious content could cause SeaMonkeyto crash, or potentially execute arbitrary code as the user runningSeaMonkey. (CVE-2008-0412, CVE-2008-0413, CVE-2008-0415, CVE-2008-0419)Several flaws were found in the way SeaMonkey 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 SeaMonkey stored password data. If a usersaves login information for a malicious website, it could be possibleto corrupt the password database, preventing the user from properlyaccessing saved password data. (CVE-2008-0417)A flaw was found in the way SeaMonkey handles certain chrome URLs. If auser has certain extensions installed, it could allow a malicious websiteto steal sensitive session data. Note: this flaw does not affect a defaultinstallation of SeaMonkey. (CVE-2008-0418)A flaw was found in the way SeaMonkey saves certain text files. If awebsite offers a file of type "plain/text", rather than "text/plain",SeaMonkey 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 SeaMonkey are advised to upgrade to these updated packages, whichcontain backported patches to resolve these issues.