CVE-1999-0393 describes a denial-of-service vulnerability affecting Sendmail versions 8.8.x and 8.9.2. Remote attackers can exploit this by sending emails containing an excessive number of headers, leading to service disruption. This medium-severity vulnerability has a CVSS score of 5.0, indicating it can be exploited over the network with low attack complexity, resulting in partial availability impact. While not listed in CISA's KEV catalog, a public exploit (EDB-23167) exists, though there is no evidence of active exploitation, Metasploit modules, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.8CPE matchmatch criteria | cpe:2.3:a:eric_allman:sendmail:8.8:*:*:*:*:*:*:* | ||
8.9.2CPE matchmatch criteria | cpe:2.3:a:eric_allman:sendmail:8.9.2:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
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No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.