CVE-1999-0393

Summary

CVE-1999-0393 is a vulnerability affecting Sendmail versions 8.8.x and 8.9.2. Maliciously crafted emails with an excessively large number of headers can cause a denial of service (DoS) condition on the targeted systems. The overload occurs when the email server attempts to process and store the excessive header data, leading to resource exhaustion and potential unavailability of email services. This issue poses a risk to email servers, potentially disrupting communication channels and causing inconvenience or downtime for organizations and individuals. It is recommended that affected systems be updated to the latest Sendmail versions to mitigate the risk.

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