What’s Vulnerable › Vulnerabilities

CVE-1999-0393

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 1999-01-01 · updated 2026-06-16

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.

Affected products

• Eric Allman Sendmail: 8.8, 8.9.2

References

• http://marc.info/?l=bugtraq&m=91694391227372&w=2
• http://marc.info/?l=bugtraq&m=91694391227372&w=2

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