CVE-1999-0393 json
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 1999-01-01 27 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0393
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 1
- Exploit-DB
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.
Timeline
- First public exploit (EDB-23167)
- Published
Exploit prediction
2.43% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-23167 Sendmail 8.9.2 - Headers Prescan Denial of Service dos, 1998-12-12
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
marc.info
/?l=bugtraq&m=91694391227372&w=2
mailing-list
Sources
- CVE List CVE-1999-0393
- NVD CVE-1999-0393
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.