Read the docs
TI-2008-02810 Aliases CVE-2008-2936GHSA-8739-vxjm-m9p4

Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814…

Priority LOW 30CWE-264Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.

Summary

Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814, when the operating system supports hard links to symlinks, allows local users to append e-mail messages to a file to which a root-owned symlink points, by creating a hard link to this symlink and then sending a message. NOTE: this can be leveraged to gain privileges if there is a symlink to an init script.

Why it matters now

EPSS 0.00993 62nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Red Hat: 1 advisory

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 · 28

CPEVersionsRoleVendor
cpe:2.3:a:postfix:postfix:2.3.0:*:*:*:*:*:*:*2.3.0VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.3.1:*:*:*:*:*:*:*2.3.1VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.3.2:*:*:*:*:*:*:*2.3.2VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.3.3:*:*:*:*:*:*:*2.3.3VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.3.4:*:*:*:*:*:*:*2.3.4VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.3.5:*:*:*:*:*:*:*2.3.5VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.3.6:*:*:*:*:*:*:*2.3.6VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.3.7:*:*:*:*:*:*:*2.3.7VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.3.8:*:*:*:*:*:*:*2.3.8VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.3.9:*:*:*:*:*:*:*2.3.9VulnerablePostfix
  • cpe:2.3:a:postfix:postfix:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.3.1:*:*:*:*:*:*:* Versions 2.3.1 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.3.2:*:*:*:*:*:*:* Versions 2.3.2 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.3.3:*:*:*:*:*:*:* Versions 2.3.3 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.3.4:*:*:*:*:*:*:* Versions 2.3.4 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.3.5:*:*:*:*:*:*:* Versions 2.3.5 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.3.6:*:*:*:*:*:*:* Versions 2.3.6 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.3.7:*:*:*:*:*:*:* Versions 2.3.7 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.3.8:*:*:*:*:*:*:* Versions 2.3.8 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.3.9:*:*:*:*:*:*:* Versions 2.3.9 Vulnerable ·Postfix
Show 18 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:postfix:postfix:2.3.10:*:*:*:*:*:*:*2.3.10VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.3.11:*:*:*:*:*:*:*2.3.11VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.3.12:*:*:*:*:*:*:*2.3.12VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.3.13:*:*:*:*:*:*:*2.3.13VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.3.14:*:*:*:*:*:*:*2.3.14VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.4.0:*:*:*:*:*:*:*2.4.0VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.4.1:*:*:*:*:*:*:*2.4.1VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.4.2:*:*:*:*:*:*:*2.4.2VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.4.3:*:*:*:*:*:*:*2.4.3VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.4.4:*:*:*:*:*:*:*2.4.4VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.4.5:*:*:*:*:*:*:*2.4.5VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.4.6:*:*:*:*:*:*:*2.4.6VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.4.7:*:*:*:*:*:*:*2.4.7VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.5.0:*:*:*:*:*:*:*2.5.0VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.5.1:*:*:*:*:*:*:*2.5.1VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.5.2:*:*:*:*:*:*:*2.5.2VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.5.3:*:*:*:*:*:*:*2.5.3VulnerablePostfix
cpe:2.3:a:postfix:postfix:2.6.0:*:*:*:*:*:*:*2.6.0VulnerablePostfix
  • cpe:2.3:a:postfix:postfix:2.3.10:*:*:*:*:*:*:* Versions 2.3.10 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.3.11:*:*:*:*:*:*:* Versions 2.3.11 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.3.12:*:*:*:*:*:*:* Versions 2.3.12 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.3.13:*:*:*:*:*:*:* Versions 2.3.13 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.3.14:*:*:*:*:*:*:* Versions 2.3.14 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.4.3:*:*:*:*:*:*:* Versions 2.4.3 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.4.4:*:*:*:*:*:*:* Versions 2.4.4 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.4.5:*:*:*:*:*:*:* Versions 2.4.5 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.4.6:*:*:*:*:*:*:* Versions 2.4.6 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.4.7:*:*:*:*:*:*:* Versions 2.4.7 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.5.0:*:*:*:*:*:*:* Versions 2.5.0 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.5.1:*:*:*:*:*:*:* Versions 2.5.1 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.5.2:*:*:*:*:*:*:* Versions 2.5.2 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.5.3:*:*:*:*:*:*:* Versions 2.5.3 Vulnerable ·Postfix
  • cpe:2.3:a:postfix:postfix:2.6.0:*:*:*:*:*:*:* Versions 2.6.0 Vulnerable ·Postfix

Remediation

Red Hat 1 advisory

  • RHSA-2008:0839 Released 2008-08-14 · Red Hat rating Moderate
    postfix security update
    • Red Hat Desktop version 3 postfix-2:2.0.16-14.1.RHEL3, postfix-2:2.0.16-14.1.RHEL3.i386
    • Red Hat Enterprise Linux (v. 5 server) postfix-2:2.3.3-2.1.el5_2, postfix-2:2.3.3-2.1.el5_2.i386, postfix-2:2.3.3-2.1.el5_2.ia64 +5
    • Red Hat Enterprise Linux AS version 3 postfix-2:2.0.16-14.1.RHEL3, postfix-2:2.0.16-14.1.RHEL3.i386, postfix-2:2.0.16-14.1.RHEL3.ia64 +1
    • Red Hat Enterprise Linux AS version 4 postfix-2:2.2.10-1.2.1.el4_7, postfix-2:2.2.10-1.2.1.el4_7.i386, postfix-2:2.2.10-1.2.1.el4_7.ia64 +5
    • Red Hat Enterprise Linux Desktop (v. 5 client) postfix-2:2.3.3-2.1.el5_2, postfix-2:2.3.3-2.1.el5_2.i386, postfix-pflogsumm-2:2.3.3-2.1.el5_2 +1
    • Red Hat Enterprise Linux Desktop version 4 postfix-2:2.2.10-1.2.1.el4_7, postfix-2:2.2.10-1.2.1.el4_7.i386, postfix-pflogsumm-2:2.2.10-1.2.1.el4_7 +1
    • Red Hat Enterprise Linux ES version 3 postfix-2:2.0.16-14.1.RHEL3, postfix-2:2.0.16-14.1.RHEL3.i386, postfix-2:2.0.16-14.1.RHEL3.ia64
    • Red Hat Enterprise Linux ES version 4 postfix-2:2.2.10-1.2.1.el4_7, postfix-2:2.2.10-1.2.1.el4_7.i386, postfix-2:2.2.10-1.2.1.el4_7.ia64 +3
    • Red Hat Enterprise Linux WS version 3 postfix-2:2.0.16-14.1.RHEL3, postfix-2:2.0.16-14.1.RHEL3.i386, postfix-2:2.0.16-14.1.RHEL3.ia64
    • Red Hat Enterprise Linux WS version 4 postfix-2:2.2.10-1.2.1.el4_7, postfix-2:2.2.10-1.2.1.el4_7.i386, postfix-2:2.2.10-1.2.1.el4_7.ia64 +3

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2008:0839
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2008:0839
Red Hat Enterprise Linux AS version 3Fixed RHSA-2008:0839
Red Hat Enterprise Linux AS version 4Fixed RHSA-2008:0839
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2008:0839
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2008:0839
Red Hat Enterprise Linux ES version 3Fixed RHSA-2008:0839
Red Hat Enterprise Linux ES version 4Fixed RHSA-2008:0839
Red Hat Enterprise Linux WS version 3Fixed RHSA-2008:0839
Red Hat Enterprise Linux WS version 4Fixed RHSA-2008:0839

Timeline

  1. 2026-10-02 Threatist record created from CVE-2008-2936
  2. 2026-10-03 Alias added: GHSA-8739-vxjm-m9p4

References

  • 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