Updated firefox packages that fix several security bugs are now available
for Red Hat Enterprise Linux 4 and 5.
This update has been rated as having critical security impact by the Red
Hat Security Response Team.
Mozilla Firefox is an open source Web browser.
Several flaws were found in the way Firefox processed certain malformed
cause Firefox to crash or potentially execute arbitrary code as the user
running Firefox. (CVE-2007-2867, CVE-2007-2868)
A flaw was found in the way Firefox handled certain FTP PASV commands. A
malicious FTP server could use this flaw to perform a rudimentary
port-scan of machines behind a user's firewall. (CVE-2007-1562)
Several denial of service flaws were found in the way Firefox handled
certain form and cookie data. A malicious web site that is able to set
arbitrary form and cookie data could prevent Firefox from
functioning properly. (CVE-2007-1362, CVE-2007-2869)
A flaw was found in the way Firefox handled the addEventListener
modify sensitive data from another web site. (CVE-2007-2870)
A flaw was found in the way Firefox displayed certain web content. A
malicious web page could generate content that would overlay user
interface elements such as the hostname and security indicators, tricking
users into thinking they are visiting a different site. (CVE-2007-2871)
Users of Firefox are advised to upgrade to these erratum packages, which
contain Firefox version 220.127.116.11 that corrects these issues.