SeaMonkey is an open source Web browser, email and newsgroup client, IRCchat client, and HTML editor.Several use-after-free flaws were found in SeaMonkey. Visiting a web pagecontaining malicious content could result in SeaMonkey executing arbitrarycode with the privileges of the user running SeaMonkey. (CVE-2010-0175,CVE-2010-0176, CVE-2010-0177)Several flaws were found in the processing of malformed web content. A webpage containing malicious content could cause SeaMonkey to crash or,potentially, execute arbitrary code with the privileges of the user runningSeaMonkey. (CVE-2010-0174)All SeaMonkey users should upgrade to these updated packages, which correctthese issues. After installing the update, SeaMonkey must be restarted forthe changes to take effect.