Buffer overflow in CSM mail server allows remote attackers to cause a denial of service…
Priority MEDIUM 48Published · 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
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Buffer overflow in CSM mail server allows remote attackers to cause a denial of service or execute commands via a long HELO command.
Why it matters now
EPSS 0.02981 87th percentileScored 2026-11-07
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
| 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 · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:csm:mail_server:1999-07b:*:*:*:*:*:*:* | 1999-07b | Vulnerable | Csm |
| cpe:2.3:a:csm:mail_server:1999-07f:*:*:*:*:*:*:* | 1999-07f | Vulnerable | Csm |
| cpe:2.3:a:csm:mail_server:1999-07g:*:*:*:*:*:*:* | 1999-07g | Vulnerable | Csm |
| cpe:2.3:a:csm:mail_server:1999-07h:*:*:*:*:*:*:* | 1999-07h | Vulnerable | Csm |
| cpe:2.3:a:csm:mail_server:1999-07i:*:*:*:*:*:*:* | 1999-07i | Vulnerable | Csm |
| cpe:2.3:a:csm:mail_server:1999-07m:*:*:*:*:*:*:* | 1999-07m | Vulnerable | Csm |
| cpe:2.3:a:csm:mail_server:2000-01a:*:*:*:*:*:*:* | 2000-01a | Vulnerable | Csm |
| cpe:2.3:a:csm:mail_server:2000.8.a:*:*:*:*:*:*:* | 2000.8.a | Vulnerable | Csm |
- cpe:2.3:a:csm:mail_server:1999-07b:*:*:*:*:*:*:* Versions 1999-07b Vulnerable ·Csm
- cpe:2.3:a:csm:mail_server:1999-07f:*:*:*:*:*:*:* Versions 1999-07f Vulnerable ·Csm
- cpe:2.3:a:csm:mail_server:1999-07g:*:*:*:*:*:*:* Versions 1999-07g Vulnerable ·Csm
- cpe:2.3:a:csm:mail_server:1999-07h:*:*:*:*:*:*:* Versions 1999-07h Vulnerable ·Csm
- cpe:2.3:a:csm:mail_server:1999-07i:*:*:*:*:*:*:* Versions 1999-07i Vulnerable ·Csm
- cpe:2.3:a:csm:mail_server:1999-07m:*:*:*:*:*:*:* Versions 1999-07m Vulnerable ·Csm
- cpe:2.3:a:csm:mail_server:2000-01a:*:*:*:*:*:*:* Versions 2000-01a Vulnerable ·Csm
- cpe:2.3:a:csm:mail_server:2000.8.a:*:*:*:*:*:*:* Versions 2000.8.a Vulnerable ·Csm
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2000-0042
- 2026-10-03 Alias added: GHSA-qh86-6qqc-frf4
References
—
Sources
- CVE-2000-0042 · CVE Program
- CVE-2000-0042 · NVD
- FIRST EPSS
- GHSA-qh86-6qqc-frf4 · GitHub Advisory Database · CC BY 4.0
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