CVE-1999-0419
When the Microsoft SMTP service attempts to send a message to a server and receives a 4xx error...
When the Microsoft SMTP service attempts to send a message to a server and receives a 4xx error code, it quickly and repeatedly attempts to redeliver the message, causing a denial of service.
Exploit likelihood
What each source reports
NVD Score used
When the Microsoft SMTP service attempts to send a message to a server and receives a 4xx error code, it quickly and repeatedly attempts to redeliver the message, causing a denial of service.
- Record
CVE-1999-0419- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
When the Microsoft SMTP service attempts to send a message to a server and receives a 4xx error code, it quickly and repeatedly attempts to redeliver the message, causing a denial of service.
- Record
CVE-1999-0419- Updated
- 2026-11-02
EUVDEUVD-1999-0419 No score
When the Microsoft SMTP service attempts to send a message to a server and receives a 4xx error code, it quickly and repeatedly attempts to redeliver the message, causing a denial of service.
- Record
EUVD-1999-0419- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3r6q-4vvg-jmx9 No score
When the Microsoft SMTP service attempts to send a message to a server and receives a 4xx error...
When the Microsoft SMTP service attempts to send a message to a server and receives a 4xx error code, it quickly and repeatedly attempts to redeliver the message, causing a denial of service.
- Record
GHSA-3r6q-4vvg-jmx9- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-0419 is a medium vulnerability (CVSS 5.0), published March 1, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.39%, the 72nd percentile. No source names a fixed version.