Postfix 2.4 before 2.4.9, 2.5 before 2.5.5, and 2.6 before 2.6-20080902, when used with the Linux 2.6 kernel, leaks epoll file descriptors during execution of "non-Postfix" commands, which allows local users to cause a denial of service (application slowdown or exit) via a crafted command, as demonstrated by a command in a .forward file.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade postfix | Jul 30, 2024 | Sep 12, 2008 |
| Gentoo Linux | — | Upgrade mail-mta/postfix. | Oct 30, 2017 | Sep 12, 2008 |
| Postfix | — | Upgrade to the latest version of Postfix | Jul 3, 2014 | Sep 12, 2008 |
| Suse | — | Upgrade postfixUpgrade postfix-develUpgrade postfix-mysqlUpgrade postfix-postgresql | Feb 17, 2015 | Sep 12, 2008 |
| Ubuntu | — | Upgrade postfix | Nov 8, 2024 | Sep 12, 2008 |
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