CVE-2008-3889

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-09-12 · updated 2026-06-16
Weakness: CWE-20

Description

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.

Affected products

Postfix: 2.4, 2.4.0, 2.4.1, 2.4.2, 2.4.3, 2.4.4 (+8)

References

http://lists.opensuse.org/opensuse-security-announce/2008-09/msg00004.html
http://secunia.com/advisories/31716
http://secunia.com/advisories/31800
http://secunia.com/advisories/31982
http://secunia.com/advisories/31986
http://secunia.com/advisories/32231
http://security.gentoo.org/glsa/glsa-200809-09.xml
http://securityreason.com/securityalert/4239
http://securitytracker.com/id?1020800
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0311
http://www.mandriva.com/security/advisories?name=MDVSA-2008:190
http://www.postfix.org/announcements/20080902.html

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