CVE-2007-6103: Ihu I Hear U

Medium severity, CVSS 5.0. EPSS: 5% chance of exploitation in the next 30 days.

I Hear U (IHU) 0.5.6 and earlier allows remote attackers to cause (1) a denial of service (infinite loop) via a packet that contains zero in the size field in its header, which is improperly handled by the Receiver::processPacket function; and (2) a denial of service (daemon crash) via an (a) IHU_INFO_INIT or a (b) IHU_INFO_RING packet that does not specify the mode, which is improperly handled by the Player::ring function in Player.cpp.

Affected products

• Ihu I Hear U: up to and including 0.5.6

Published 2007-11-23. Last modified 2026-06-16.