The send_user_mode function in s_user.c in (1) Undernet ircu 2.10.12.12 and earlier, (2) snircd 1.3.4 and earlier, and unspecified other ircu derivatives allows remote attackers to cause a denial of service (daemon crash) via a malformed MODE command.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ircu | Ircu | * | 2.10.12.12 (including) |
| Snircd | Quakenet | * | 1.3.4 (including) |