ICQ client 2001b, 2002a and 2002b allows remote attackers to cause a denial of service (CPU consumption or crash) via a message with a large number of emoticons.
| Software | From | Fixed in |
|---|---|---|
| mirabilis / icq | 2002a | 2002a.x |
| mirabilis / icq | 2002b | 2002b.x |
| mirabilis / icq | 2001b | 2001b.x |