Seamonkey was upgraded to version 2.5 in order to fix the following security problems:

* MFSA 2011-47/CVE-2011-3648 (bmo#690225)
Potential XSS against sites using Shift-JIS

* MFSA 2011-48/CVE-2011-3651/CVE-2011-3652/CVE-2011-3654
Miscellaneous memory safety hazards

* MFSA 2011-49/CVE-2011-3650 (bmo#674776)
Memory corruption while profiling using Firebug

* MFSA 2011-52/CVE-2011-3655 (bmo#672182)
Code execution via NoWaiverWrapper