postfix: local DoS via leaked file descriptor
Published Sep 12, 2008
2.1
LOWCVSS 2.0
EPSS 0.70%
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
No data.
Running on/with
- 2.6
- 2.4
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.4.4
- 2.4.5
- 2.4.6
- 2.4.7
- 2.4.8
- 2.5.1
- 2.5.2
- 2.5.3
- 2.6
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions Postfix as shipped with Red Hat Enterprise Linux 3, 4, or 5.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.70% (0.00701) | 51.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.71% (0.00707) | 48.37th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00064) | 17.23th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.27th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.34th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.15th | v2 (v2022.01.01) |
References (26)
- http://lists.opensuse.org/opensuse-security-announce/2008-09/msg00004.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/31716 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/31800 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/31982 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/31986 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32231 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200809-09.xml vendor-advisoryx_refsource_GENTOO
- http://securityreason.com/securityalert/4239 third-party-advisoryx_refsource_SREASON
- http://securitytracker.com/id?1020800 vdb-entryx_refsource_SECTRACK
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0311 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:190 vendor-advisoryx_refsource_MANDRIVA
- http://www.postfix.org/announcements/20080902.html x_refsource_CONFIRMPatch
- http://www.securityfocus.com/archive/1/495894/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/496420/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/498037/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/30977 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/usn-642-1 vendor-advisoryx_refsource_UBUNTU
- http://www.wekk.net/research/CVE-2008-3889/ x_refsource_MISC
- https://access.redhat.com/security/cve/CVE-2008-3889 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=460906 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44865 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2008-3889
- https://www.cve.org/CVERecord?id=CVE-2008-3889
- https://www.exploit-db.com/exploits/6472 exploitx_refsource_EXPLOIT-DB
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00271.html vendor-advisoryx_refsource_FEDORA
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00287.html vendor-advisoryx_refsource_FEDORA
Change history (0)
No recorded changes yet.