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CVE-1999-0393

MediumPublished

Remote attackers can cause a denial of service in Sendmail 8.8.x and 8.9.2 by sending messages with a large number of headers.

Published: Oct 13, 2000
Updated: Aug 1, 2024
Assigning CNA: mitre
Evidence observed: Dec 12, 1998

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS probability estimate

2.4%

Low · next 30 days

Percentile: 83.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Remote attackers can cause a denial of service in Sendmail 8.8.x and 8.9.2 by sending messages with a large number of headers.

Sources

Sendmail 8.9.2 - Headers Prescan Denial of ServiceExploit
marchew · irix · Dec 12, 1998

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