CVE-1999-0393
UnknownEPSS 2.43%
Last modified
CVE-1999-0393 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.43% chance of exploitation in the next 30 days.
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.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Eric Allman | Sendmail | 8.8 |
| Eric Allman | Sendmail | 8.9.2 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-1999-0393?
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.
How severe is CVE-1999-0393?
Severity scoring for CVE-1999-0393 is pending analysis. The EPSS model estimates a 2.43% probability of exploitation in the next 30 days.
How do I fix CVE-1999-0393?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-1999-0393?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST