Postfix 'epoll' Linux Event Handler Local Denial of Service Vulnerability

Postfix is prone to a local denial-of-service vulnerability because of a file-descriptor leak that occurs when it executes non-Postfix commands.

Local attackers can exploit this issue to trigger automatic Postfix shutdowns, denying service to legitimate users.

This issue affects Postfix 2.4 and later for Linux kernel 2.6 platforms.


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