A flaw was found in Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.
Created wireshark tracking bugs for this issue:
Affects: fedora-all [bug 1609950]
This is only a problem on Windows platforms.
This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 6 and 7.