Integer underflow in the clean_string function in irc_string.c in (1) IRCD-hybrid 7.2.2 and 7.2.3, (2) ircd-ratbox before 2.2.9, and (3) oftc-hybrid before 1.6.8, when flatten_links is disabled, allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a LINKS command.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ircd-hybrid | Ircd-hybrid | 7.2.2 (including) | 7.2.2 (including) |
| Ircd-hybrid | Ircd-hybrid | 7.2.3 (including) | 7.2.3 (including) |