CVE-2009-2939
The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the...
The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.
Exploit likelihood
What each source reports
NVD Score used
The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.
- Record
CVE-2009-2939- CVSS 2.0
- 6.9 Medium
AV:L/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-59
- Updated
- 2026-11-02
CVE List No score
The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.
- Record
CVE-2009-2939- Updated
- 2026-11-02
EUVDEUVD-2009-2927 No score
The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.
- Record
EUVD-2009-2927- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rpqw-5g6j-x944 No score
The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the...
The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.
- Record
GHSA-rpqw-5g6j-x944- Weakness
- CWE-59
- Updated
- 2026-11-02
OSV No score
The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.
- Record
CVE-2009-2939- Updated
- 2026-11-02
OSVDEBIAN-CVE-2009-2939 No score
The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.
- Record
DEBIAN-CVE-2009-2939- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-2939 is a medium vulnerability (CVSS 6.9) in Postfix, published September 21, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 42nd percentile. Fixed in postfix 2.6.5-3.