CVE-2010-0303: Dinko Korunic HYBSERV2

Medium severity, CVSS 5.0. EPSS: 8.1% chance of exploitation in the next 30 days.

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.

Affected products

  • Dinko Korunic HYBSERV2: version 1.9.2 only; version 1.9.3 only; version 1.9.4 only

Published 2010-02-04. Last modified 2026-06-16.