CVE-2010-2785: Kvirc

Medium severity, CVSS 6.5. EPSS: 7.6% chance of exploitation in the next 30 days.

The IRC Protocol component in KVIrc 3.x and 4.x before r4693 does not properly handle \ (backslash) characters, which allows remote authenticated users to execute arbitrary CTCP commands via vectors involving \r and \40 sequences, a different vulnerability than CVE-2010-2451 and CVE-2010-2452.

Affected products

• Kvirc Kvirc: version 3.0.0 only; version 3.0.1 only; version 3.4.0 only; version 3.4.2 only; version 4.0.0 only; version 4.0.2 only

Published 2010-08-02. Last modified 2026-06-16.