CVE-2024-4599: Lan Messenger

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Remote denial of service vulnerability in LAN Messenger affecting version 3.4.0. This vulnerability allows an attacker to crash the LAN Messenger service by sending a long string directly and continuously over the UDP protocol.

Affected products

• Lan Messenger Lan Messenger: version 3.4.0 only

Published 2024-05-07. Last modified 2026-06-17.