| Package | Affected versions | Patched versions |
|---|---|---|
| hybserv2 | = 1.9.2= 1.9.3= 1.9.4 |
mystring.c in hybserv in IRCD-Hybrid (aka Hybrid2 IRC Services) 1.9.2 through 1.9.4 allows remote attackers to cause a denial of service (daemon crash) via a ":help \t" private message to the MemoServ service.
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