Upgrade to version 1.4.2 or 1.2.13 or higher, as it has been reported to fix this vulnerability. It is also possible to temporarily work around the flaw by implementing the following workaround:
Disable the LDSS dissector:
* Select Analyze→Enabled Protocols... from the menu.
* Make sure "LDSS" is un-checked.
* Click "Save", then click "OK".