Firefox and Epiphany crash after today's updates

["Horst H. von Brand" <vonbrand inf utfsm cl>]

After updating today, trying to get into
<https://evalcyt.conicyt.cl/declaracion-astronomia> (I have a password
saved for that site in Firefox) both browsers crash. BZ'd at
<https://bugzilla.redhat.com/show_bug.cgi?id=430981>.

[Yes, the site could very well be badly built, but crashing isn't
 acceptable.]
-- 
Dr. Horst H. von Brand                   User #22616 counter.li.org
Departamento de Informatica                    Fono: +56 32 2654431
Universidad Tecnica Federico Santa Maria             +56 32 2654239
Casilla 110-V, Valparaiso, Chile               Fax:  +56 32 2797513