CVE-1999-0224
Denial of service in Windows NT messenger service through a long username.
CVE-1999-0224 is a medium vulnerability (CVSS 5.0) in Microsoft Windows Nt, published July 23, 1999. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 16.8%, the 97th percentile. No source names a fixed version.
- Severity
- 5.0 MediumCVSS 2.0, NVD
- Exploit chance
- 16.8%EPSS, 97th percentile
- Exploitation
- None known1 public exploit
- Fixed in
- No fix listedNo source names one
Description
Denial of service in Windows NT messenger service through a long username.
Exploit likelihood
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Windows NT - Crash with an Extra Long 'Username' Denial of Service | 1997-04-01 |
What each source reports
NVD Score used
Denial of service in Windows NT messenger service through a long username.
- Record
CVE-1999-0224- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE ListNo score
Denial of service in Windows NT messenger service through a long username.
- Record
CVE-1999-0224- Updated
- 2026-11-02
EUVDEUVD-1999-0224No score
Denial of service in Windows NT messenger service through a long username.
- Record
EUVD-1999-0224- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fv32-cgq9-979vNo score
Denial of service in Windows NT messenger service through a long username.
Denial of service in Windows NT messenger service through a long username.
- Record
GHSA-fv32-cgq9-979v- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.