Denial of service vulnerability in LAN Messenger
Priority MEDIUM 40CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-400.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00672 52nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| LAN Messenger | LAN Messenger | 3.4.0 | — | No fix listed | CNA |
- LAN Messenger VendorLAN Messenger Affected 3.4.0 Fixed in — No fix listed CNA
CPE names CISA-ADP · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:lan_messenger:lan_messenger:*:*:*:*:*:*:*:* | — | — | LAN Messenger |
- cpe:2.3:a:lan_messenger:lan_messenger:*:*:*:*:*:*:*:* Versions — — ·LAN Messenger
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-4599
- 2026-10-03 Alias added: GHSA-6hpj-m38r-374m
References
More LAN Messenger vulnerabilities
- TI-2006-06472 Unspecified vulnerability in the info request mechanism in LAN Messenger before 1.5.1.2… CVSS 2.0MEDIUM 6.4
- TI-2012-03327 Buffer overflow in LAN Messenger 1.2.28 and earlier allows remote attackers to cause a… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2024-4599 · CVE Program
- CVE-2024-4599 · NVD
- FIRST EPSS
- GHSA-6hpj-m38r-374m · GitHub Advisory Database · CC BY 4.0
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