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TI-2009-02800 Aliases CVE-2009-2939GHSA-rpqw-5g6j-x944

The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package…

Priority LOW 31CWE-59Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00495 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:postfix:postfix:2.5.5:*:*:*:*:*:*:*2.5.5VulnerablePostfix
cpe:2.3:o:debian:debian_linux:6.06:*:*:*:*:*:*:*6.06Running onDebian
cpe:2.3:o:ubuntu:ubuntu_linux:4.0:*:*:*:*:*:*:*4.0Running onUbuntu
  • cpe:2.3:a:postfix:postfix:2.5.5:*:*:*:*:*:*:* Versions 2.5.5 Vulnerable ·Postfix
  • cpe:2.3:o:debian:debian_linux:6.06:*:*:*:*:*:*:* Versions 6.06 Running on ·Debian
  • cpe:2.3:o:ubuntu:ubuntu_linux:4.0:*:*:*:*:*:*:* Versions 4.0 Running on ·Ubuntu

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-2939
  2. 2026-10-03 Alias added: GHSA-rpqw-5g6j-x944

References

Exploit 1

Advisory 1

  • TI-2011-01499 The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and… CVSS 2.0MEDIUM 6.8
  • TI-2011-00345 The STARTTLS implementation in Postfix 2.4.x before 2.4.16, 2.5.x before 2.5.12, 2.6.x… CVSS 2.0MEDIUM 6.8
  • TI-2023-28393 Postfix through 3.8.5 allows SMTP smuggling unless configured with… CVSS 3.1MEDIUM 5.3
  • TI-2017-07491 Postfix before 2.11.10, 3.0.x before 3.0.10, 3.1.x before 3.1.6, and 3.2.x before 3.2.2… CVSS 3.0HIGH 7.8
  • TI-2026-32009 Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a… CVSS 3.1HIGH 7.5
  • TI-2012-00748 Multiple SQL injection vulnerabilities in Postfix Admin (aka postfixadmin) before 2.3.5… CVSS 2.0MEDIUM 6.5
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences