CVE-1999-0419 — MEDIUM severity vulnerability (When the Microsoft SMTP service attempts to send a message t)
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.
| CVE ID | CVE-1999-0419 |
|---|---|
| Severity | MEDIUM |
| CVSS score | 5.0 |
| CVSS vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| CWE | NVD-CWE-Other |
| Status | Modified |
| Published | 1999-03-01 |
| Last modified | 2026-04-16 |
| Description | 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. |
| Source | NIST National Vulnerability Database |
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