CVE-1999-1043

Microsoft Exchange Server 5.0 and 5.5 - Denial of Service via Malformed NNTP or SMTP Data

Title source: llm
STIX 2.1

Description

Microsoft Exchange Server 5.5 and 5.0 does not properly handle (1) malformed NNTP data, or (2) malformed SMTP data, which allows remote attackers to cause a denial of service (application error).

References (1)

Core 1
Core References
Patch, Vendor Advisory vendor-advisory x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-007

Scores

EPSS 0.1333
EPSS Percentile 96.0%

Details

Status published
Products (2)
microsoft/exchange_server 5.0
microsoft/exchange_server 5.5
Published Dec 31, 1999
Tracked Since Feb 18, 2026