Mozilla security researcher moz_bug_r_a4 reported that the fix for a series of feedWriter vulnerabilities published in a previous security update was incomplete. moz_bug_r_a4 demonstrated that it was still possible to use the feed preview as a vector for JavaScript privilege escalation. An attacker could use this issue to run arbitrary JavaScript with chrome privileges.
This is now public: http://www.mozilla.org/security/announce/2008/mfsa2008-62.html
firefox-2.0.0.19-1.fc8, epiphany-2.20.3-9.fc8, epiphany-extensions-2.20.1-12.fc8, blam-1.8.3-20.fc8, cairo-dock-1.6.3.1-1.fc8.2, chmsee-1.0.0-6.31.fc8, devhelp-0.16.1-12.fc8, evolution-rss-0.0.8-14.fc8, galeon-2.0.4-7.fc8.3, gnome-python2-extras-2.19.1-20.fc8, gnome-web-photo-0.3-15.fc8, kazehakase-0.5.6-1.fc8.2, liferea-1.4.15-6.fc8, Miro-1.2.7-3.fc8, openvrml-0.17.10-3.0.fc8, ruby-gnome2-0.17.0-4.fc8, yelp-2.20.0-15.fc8 has been pushed to the Fedora 8 stable repository. If problems still persist, please make note of it in this bug report.
This was addressed via: Red Hat Enterprise Linux version 2.1 (seamonkey) RHSA-2008:1037 Red Hat Enterprise Linux version 3 (seamonkey) RHSA-2008:1037 Red Hat Enterprise Linux version 4 (seamonkey) RHSA-2008:1037