Unrated severityNVD Advisory· Published Mar 1, 1999· Updated Jun 16, 2026
CVE-1999-0419
CVE-1999-0419
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.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
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