pidgin -- MSN overflow parsing SLP messages

Secunia reports:

A vulnerability has been reported in Pidgin, which can be
exploited by malicious people to potentially compromise a user’s
system.
The vulnerability is caused due to an error in the
“msn_slplink_process_msg()” function when processing MSN SLP
messages and can be exploited to corrupt memory.
Successful exploitation may allow execution of arbitrary
code.
The vulnerability is reported in versions 2.5.8 and prior.
Other versions may also be affected.