CVE-1999-0393

N/A Unknown

Published: January 01, 1999 Modified: April 16, 2026

Description

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.

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Patch Vendor Advisory Exploit Third Party Advisory

Source: cve@mitre.org

Source: af854a3a-2127-422b-91ae-364da2661108

2 reference(s) from NVD

CVSS v3 Score

N/A / 10.0

EPSS (Exploit Probability)

6.0%

91th percentile

Exploitation Status

Not in CISA KEV

eric_allman