Mozilla Firefox is an open source Web browser.Several flaws were found in the processing of malformed web content. A webpage containing malicious content could cause Firefox to crash or,potentially, execute arbitrary code as the user running Firefox.(CVE-2009-0040, CVE-2009-0771, CVE-2009-0772, CVE-2009-0773, CVE-2009-0774,CVE-2009-0775)Several flaws were found in the way malformed content was processed. Awebsite containing specially-crafted content could, potentially, trick aFirefox user into surrendering sensitive information. (CVE-2009-0776,CVE-2009-0777)For technical details regarding these flaws, please see the Mozillasecurity advisories for Firefox 3.0.7. You can find a link to the Mozillaadvisories in the References section of this errata.All Firefox users should upgrade to these updated packages, which containFirefox version 3.0.7, and which correct these issues. After installing theupdate, Firefox must be restarted for the changes to take effect.