Buffer overflow in POP3 and IMAP servers in the MERCUR mail server suite allows remote…
Priority LOW 34Published · 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
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Buffer overflow in POP3 and IMAP servers in the MERCUR mail server suite allows remote attackers to cause a denial of service.
Why it matters now
EPSS 0.08428 95th 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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:atrium_software:mercur_imap4_server:3.20.01:*:*:*:*:*:*:* | 3.20.01 | Vulnerable | Atrium Software |
| cpe:2.3:a:atrium_software:mercur_mailserver:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | Atrium Software |
| cpe:2.3:a:atrium_software:mercur_pop3_server:3.20.01:*:*:*:*:*:*:* | 3.20.01 | Vulnerable | Atrium Software |
- cpe:2.3:a:atrium_software:mercur_imap4_server:3.20.01:*:*:*:*:*:*:* Versions 3.20.01 Vulnerable ·Atrium Software
- cpe:2.3:a:atrium_software:mercur_mailserver:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Atrium Software
- cpe:2.3:a:atrium_software:mercur_pop3_server:3.20.01:*:*:*:*:*:*:* Versions 3.20.01 Vulnerable ·Atrium Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2000-0198
- 2026-10-03 Alias added: GHSA-q5px-r484-x44m
- 2026-11-03 EPSS moved to the 95th–99th percentile
References
More Atrium Software Mercur Imap4 Server vulnerabilities
- TI-2000-00239 Buffer overflow in the MERCUR WebView WebMail server allows remote attackers to cause a… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2000-0198 · CVE Program
- CVE-2000-0198 · NVD
- FIRST EPSS
- GHSA-q5px-r484-x44m · 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