CVE Catalog
CVE-1999-0393
MediumExploitation Probability (EPSS)
High risk2.43%
82th percentile - higher than 82% of all known CVEs
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.
Risk Assessment
This attack can lead to the unavailability of the mail service, affecting communication within the organization.
Recommendation
It is recommended to update Sendmail to the latest version and monitor network traffic for suspicious activities.
Original NVD description (English source)
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.