Vulnerability in Postfix SMTP server before 20010228-pl07, when configured to email the…
Priority LOW 27Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Vulnerability in Postfix SMTP server before 20010228-pl07, when configured to email the postmaster when SMTP errors cause the session to terminate, allows remote attackers to cause a denial of service (memory exhaustion) by generating a large number of SMTP errors, which forces the SMTP session log to grow too large.
Why it matters now
EPSS 0.01907 79th percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wietse_venema:postfix:1999-09-06:*:*:*:*:*:*:* | 1999-09-06 | Vulnerable | Wietse Venema |
| cpe:2.3:a:wietse_venema:postfix:1999-12-31:*:*:*:*:*:*:* | 1999-12-31 | Vulnerable | Wietse Venema |
| cpe:2.3:a:wietse_venema:postfix:2000-02-28:*:*:*:*:*:*:* | 2000-02-28 | Vulnerable | Wietse Venema |
- cpe:2.3:a:wietse_venema:postfix:1999-09-06:*:*:*:*:*:*:* Versions 1999-09-06 Vulnerable ·Wietse Venema
- cpe:2.3:a:wietse_venema:postfix:1999-12-31:*:*:*:*:*:*:* Versions 1999-12-31 Vulnerable ·Wietse Venema
- cpe:2.3:a:wietse_venema:postfix:2000-02-28:*:*:*:*:*:*:* Versions 2000-02-28 Vulnerable ·Wietse Venema
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Powertools 7.1 | Fixed | RHSA-2001:156 |
Timeline
- 2026-10-02 Threatist record created from CVE-2001-0894
- 2026-10-03 Alias added: GHSA-4jcc-3cc2-c846
References
More Wietse Venema Postfix vulnerabilities
- TI-2003-00508 The address parser code in Postfix 1.1.12 and earlier allows remote attackers to cause a… CVSS 2.0MEDIUM 5.0
- TI-2005-00302 Postfix 2.1.3, when /proc/net/if_inet6 is not available and permit_mx_backup is enabled… CVSS 2.0HIGH 7.5
- TI-2003-00439 Postfix 1.1.11 and earlier allows remote attackers to use Postfix to conduct "bounce… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2001-0894 · CVE Program
- CVE-2001-0894 · NVD
- FIRST EPSS
- GHSA-4jcc-3cc2-c846 · GitHub Advisory Database · CC BY 4.0
- CVE-2001-0894 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences