CVE-2010-3443: Canonical Ubuntu Linux

Medium severity, CVSS 5.0. EPSS: 2% chance of exploitation in the next 30 days.

ctcphandler.cpp in Quassel before 0.6.3 and 0.7.x before 0.7.1 allows remote attackers to cause a denial of service (unresponsive IRC) via multiple Client-To-Client Protocol (CTCP) requests in a PRIVMSG message.

Affected products

• Canonical Ubuntu Linux: version 9.04 only; version 9.10 only; version 10.04 only
• Quassel-Irc Quassel Irc: up to and including 0.6.2; version 0.1.0 only; version 0.3.0 only; version 0.3.0.1 only; version 0.3.0.2 only; version 0.3.0.3 only; …

Published 2013-11-23. Last modified 2026-06-16.