Multiple integer signedness errors in the NTLM implementation in Atrium MERCUR IMAPD…
Priority MEDIUM 59Published · 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
Multiple integer signedness errors in the NTLM implementation in Atrium MERCUR IMAPD (mcrimap4.exe) 5.00.14, with SP4, allow remote attackers to execute arbitrary code via a long NTLMSSP argument that triggers a stack-based buffer overflow.
Why it matters now
EPSS 0.16423 96th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD and the CNA
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:atrium_software:mercur_imapd:5.00.14:sp4:*:*:*:*:*:* | 5.00.14 sp4 | Vulnerable | Atrium Software |
- cpe:2.3:a:atrium_software:mercur_imapd:5.00.14:sp4:*:*:*:*:*:* Versions 5.00.14 sp4 Vulnerable ·Atrium Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-1578
- 2026-10-03 Alias added: GHSA-v8r8-w6r4-fw28
References
More Atrium Software Mercur Imapd vulnerabilities
- TI-2007-01520 Stack-based buffer overflow in Atrium MERCUR IMAPD allows remote attackers to have an… CVSS 2.0HIGH 10.0
Sources
- CVE-2007-1578 · CVE Program
- CVE-2007-1578 · NVD
- FIRST EPSS
- GHSA-v8r8-w6r4-fw28 · 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