mIRC DCC server protocol allows remote attackers to gain sensitive information such as alternate IRC nicknames via a "100 testing" message in a DCC connection request that cannot be ignored or canceled by the user, which may leak the alternate nickname in a response message.
| Software | From | Fixed in |
|---|---|---|
| khaled_mardam-bey / mirc | 6.0_1 | 6.0_1.x |
| khaled_mardam-bey / mirc | 6.0 | 6.0.x |