CVE-2007-4440
Stack-based buffer overflow in the MercuryS SMTP server in Mercury Mail Transport System,...
Stack-based buffer overflow in the MercuryS SMTP server in Mercury Mail Transport System, possibly 4.51 and earlier, allows remote attackers to execute arbitrary code via a long AUTH CRAM-MD5 string. NOTE: this might overlap CVE-2006-5961.
Exploit likelihood
What each source reports
NVD Score used
Stack-based buffer overflow in the MercuryS SMTP server in Mercury Mail Transport System, possibly 4.51 and earlier, allows remote attackers to execute arbitrary code via a long AUTH CRAM-MD5 string. NOTE: this might overlap CVE-2006-5961.
- Record
CVE-2007-4440- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Stack-based buffer overflow in the MercuryS SMTP server in Mercury Mail Transport System, possibly 4.51 and earlier, allows remote attackers to execute arbitrary code via a long AUTH CRAM-MD5 string. NOTE: this might overlap CVE-2006-5961.
- Record
CVE-2007-4440- Updated
- 2026-11-02
EUVDEUVD-2007-4423 No score
Stack-based buffer overflow in the MercuryS SMTP server in Mercury Mail Transport System, possibly 4.51 and earlier, allows remote attackers to execute arbitrary code via a long AUTH CRAM-MD5 string. NOTE: this might overlap CVE-2006-5961.
- Record
EUVD-2007-4423- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4pc6-hw3m-wcr4 No score
Stack-based buffer overflow in the MercuryS SMTP server in Mercury Mail Transport System,...
Stack-based buffer overflow in the MercuryS SMTP server in Mercury Mail Transport System, possibly 4.51 and earlier, allows remote attackers to execute arbitrary code via a long AUTH CRAM-MD5 string. NOTE: this might overlap CVE-2006-5961.
- Record
GHSA-4pc6-hw3m-wcr4- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Mercury/32 Mail SMTPD - AUTH CRAM-MD5 Buffer Overflow (Metasploit) | 2010-06-22 |
| Exploit-DB | Mercury/32 Mail SMTPD - Remote Stack Overrun (PoC) | 2007-08-18 |
| Exploit-DB | Mercury/32 Mail SMTPD 4.51 - SMTPD CRAM-MD5 Remote Overflow | 2007-08-22 |
| Metasploit | Mercury Mail SMTP AUTH CRAM-MD5 Buffer Overflow | 2007-08-18 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-4440 is a high vulnerability (CVSS 7.5) in Pmail Mercury Mail Transport System, published August 21, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 64.5%, the 99th percentile. No source names a fixed version.