CVE-2024-4599
Denial of service vulnerability in LAN Messenger
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Denial of service vulnerability in LAN Messenger
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.
- Record
CVE-2024-4599- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2024-44208
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.
- Record
EUVD-2024-44208- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6hpj-m38r-374m
Remote denial of service vulnerability in LAN Messenger affecting version 3.4.0. This...
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.
- Record
GHSA-6hpj-m38r-374m- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-4599- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-4599 is a high vulnerability (CVSS 7.5) in Lan Messenger Messenger, published May 7, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.67%, the 52nd percentile. No source names a fixed version.