CVE-1999-0393 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 2.4% (pctl 84)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 2.43% — more likely to be exploited than 84% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 1999-01-01 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| eric allman | sendmail |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Sendmail 8.9.2 - Headers Prescan Denial of Service | 1998-12-12 |
References
→ the Explorer · watch your stack · NVD