Buffer overflow in CMailCOM.dll in CMailServer 5.2 allows remote attackers to execute…
Priority MEDIUM 51Published · 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 CMailCOM.dll in CMailServer 5.2 allows remote attackers to execute arbitrary code via an attachment with a long filename.
Why it matters now
EPSS 0.0504 92nd 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:youngzsoft:cmailserver:5.2.0:*:*:*:*:*:*:* | 5.2.0 | Running on | Youngzsoft |
- cpe:2.3:a:youngzsoft:cmailserver:5.2.0:*:*:*:*:*:*:* Versions 5.2.0 Running on ·Youngzsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-1128
- 2026-10-03 Alias added: GHSA-x4m2-ghfx-hh64
References
Sources
- CVE-2004-1128 · CVE Program
- CVE-2004-1128 · NVD
- FIRST EPSS
- GHSA-x4m2-ghfx-hh64 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences