MySQL MaxDB before 7.5.00.18 allows remote attackers to cause a denial of service (crash) via an HTTP request to webdbm with high ASCII values in the Server field, which triggers an assert error in the IsAscii7 function.
iDEFENSE Security Advisory 10.06.04a - Remote exploitation of an input validation error in MySQL MaxDB could allow attackers to trigger a denial of service condition.