Odata Server in SAP Adaptive Server Enterprise (ASE) 16 allows remote attackers to cause a denial of service (process crash) via a series of crafted requests, aka SAP Security Note 2330422.
Sybase Adaptive Server Enterprise (ASE) 12.5 allows remote attackers to cause a denial of service (hang) via a remote password array with an invalid length, which triggers a heap-based buffer overflow.
Sybase Adaptive Server Anywhere Database Engine 6.0.3.2747 and earlier as included with Symantec Ghost 6.5 allows a remote attacker to create a denial of service by sending large (> 45Kb) amounts of data to port 2638.