Several flaws were discovered in the browser engine. These problems could allow
an attacker to crash the browser and possibly execute arbitrary code with user
Boris Zbarsky discovered that the same-origin check in Firefox could be
bypassed by utilizing XBL-bindings. An attacker could exploit this to read data
from other domains. (CVE-2008-5503)
Marius Schilder discovered that Firefox did not properly handle redirects to
an outside domain when an XMLHttpRequest was made to a same-origin resource.
It's possible that sensitive information could be revealed in the
XMLHttpRequest response. (CVE-2008-5506)
Chris Evans discovered that Firefox did not properly protect a user's data when
website, an attacker may be able to steal a limited amount of private data.
into opening a malicious website, an attacker could exploit this to execute
privileges. (CVE-2008-5511, CVE-2008-5512)