ICQ 2001a and 2002b allows remote attackers to cause a denial of service (memory consumption and hang) via a contact message with a large contacts number.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Icq | Mirabilis | 2001a (including) | 2001a (including) |
| Icq | Mirabilis | 2002b (including) | 2002b (including) |