CVE-1999-0393
Overview
CVE-1999-0393 is a known-severity vulnerability affecting eric_allman sendmail. It was published on January 1, 1999.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from eric_allman. Update sendmail to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-1999-0393?
CVE-1999-0393 is a known-severity vulnerability affecting eric_allman sendmail. It was published on January 1, 1999.
How severe is CVE-1999-0393?
CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.
How do I fix or remediate CVE-1999-0393?
Check the references section for vendor advisories and patches from eric_allman. Update sendmail to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-1999-0393?
CyberStrike's AI-powered security agents can automatically detect CVE-1999-0393 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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