The process_logon_packet function in the nmbd server for Samba 3.0.6 and earlier, when domain logons are enabled, allows remote attackers to cause a denial of service via a SAM_UAS_CHANGE request with a length value that is larger than the number of structures that are provided.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This vulnerability has a 5.36% probability of being exploited in the next 30 days, ranking higher than 92% of all scored CVEs.