The Net Search Extender (NSE) implementation in the Text Search component in IBM DB2 UDB 9.5 before FP6a does not properly handle an alphanumeric Fuzzy search, which allows remote authenticated users to cause a denial of service (memory consumption and system hang) via the db2ext.textSearch function.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Db2 | Ibm | 9.5 (including) | 9.5 (including) |
| Db2 | Ibm | 9.5-fp1 (including) | 9.5-fp1 (including) |
| Db2 | Ibm | 9.5-fp2 (including) | 9.5-fp2 (including) |
| Db2 | Ibm | 9.5-fp2a (including) | 9.5-fp2a (including) |
| Db2 | Ibm | 9.5-fp3 (including) | 9.5-fp3 (including) |
| Db2 | Ibm | 9.5-fp3a (including) | 9.5-fp3a (including) |
| Db2 | Ibm | 9.5-fp3b (including) | 9.5-fp3b (including) |
| Db2 | Ibm | 9.5-fp4 (including) | 9.5-fp4 (including) |
| Db2 | Ibm | 9.5-fp4a (including) | 9.5-fp4a (including) |
| Db2 | Ibm | 9.5-fp5 (including) | 9.5-fp5 (including) |