for (ListModeBase::ModeList::iterator it = list->begin(); it != list->end(); it++)
{
- if (it->mask[0] != type || it->mask[1] != ':')
+ if (it->mask.length() <= 2 || it->mask[0] != type || it->mask[1] != ':')
continue;
if (chan->CheckBan(user, it->mask.substr(2)))