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.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:N/A:PAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
Timeline
- Published
- Mar 1, 1999
- Last modified
- Jun 16, 2026
- NVD status
- Modified