CVE-2008-3889
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…
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Public exploit
A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system.
- 6472 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Timeline
ID reserved
By mitre
- 10 days later
· 10 days later
Published
- 16 years later
· 16 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 0.70% · top 47% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Weakness
Affected products
n/a
- affected n/a
References (22)
- 31986 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2008-8595 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 32231 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20080916 [Suspected Spam][CVE-2008-4042] Postfix Linux-only local denial of service - PoC (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 31982 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-642-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 30977 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- FEDORA-2008-8593 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 31800 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- postfix-filedescriptor-dos(44865) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 4239 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- SUSE-SR:2008:018 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-200809-09 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- http://www.wekk.net/research/CVE-2008-3889/ (opens in a new tab)x_refsource_MISCx_transferred
- 31716 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 6472 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- MDVSA-2008:190 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 1020800 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://www.postfix.org/announcements/20080902.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20081104 rPSA-2008-0311-1 postfix (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20080902 Postfix Linux-only local denial of service (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0311 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2008-3889)Record last updated .