(RHSA-2007:0979) Critical: firefox security update

Mozilla Firefox is an open source Web browser.

Several flaws were found in the way in which Firefox processed certain
malformed web content. A web page containing malicious content could cause
Firefox to crash or potentially execute arbitrary code as the user running
Firefox. (CVE-2007-5338, CVE-2007-5339, CVE-2007-5340)

Several flaws were found in the way in which Firefox displayed malformed
web content. A web page containing specially-crafted content could
potentially trick a user into surrendering sensitive information.
(CVE-2007-1095, CVE-2007-3844, CVE-2007-3511, CVE-2007-5334)

A flaw was found in the Firefox sftp protocol handler. A malicious web page
could access data from a remote sftp site, possibly stealing sensitive user
data. (CVE-2007-5337)

A request-splitting flaw was found in the way in which Firefox generates a
digest authentication request. If a user opened a specially-crafted URL, it
was possible to perform cross-site scripting attacks, web cache poisoning,
or other, similar exploits. (CVE-2007-2292)

All users of Firefox are advised to upgrade to these updated packages,
which contain backported patches that correct these issues.