CVE-2007-4607
CriticalPublic exploitBuffer overflow in the EasyMailSMTPObj ActiveX control in emsmtp.dll 6.0.1 in the Quiksoft EasyMail SMTP Object, as used in Postcast Server Pro 3.0.61 and other products, allows remote attackers to execute arbitrary code via a long argument to the SubmitToExpress method, a…
Published Aug 30, 2007 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2007-4607 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Postcast Server Pro (Gate Comm Software), Easymail Objects (Quicksoft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 56% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
56%
Higher than 99.0% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2007-4607 brief as a PDF
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Description
Buffer overflow in the EasyMailSMTPObj ActiveX control in emsmtp.dll 6.0.1 in the Quiksoft EasyMail SMTP Object, as used in Postcast Server Pro 3.0.61 and other products, allows remote attackers to execute arbitrary code via a long argument to the SubmitToExpress method, a different vulnerability than CVE-2007-1029. NOTE: this may have been fixed in version 6.0.3.15.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Postcast Server ProGate Comm Software | 3.0.61 | n/a |
| Easymail ObjectsQuicksoft | See advisory | n/a |
Timeline
Publicly disclosed
Aug 30, 2007
Last updated
Apr 22, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- exploitMSF oracle_dc_submittoexpress.rb
- exploitExploitDB-16579
- exploit25467
- other20130424 Borland Caliber 11.0 Quiksoft EasyMail SMTP Object Buffer Overflows
- other38335
FAQ
Common Questions.
Buffer overflow in the EasyMailSMTPObj ActiveX control in emsmtp.dll 6.0.1 in the Quiksoft EasyMail SMTP Object, as used in Postcast Server Pro 3.0.61 and other products, allows remote attackers to execute arbitrary code via a long argument to the SubmitToExpress method, a different vulnerability than CVE-2007-1029.
Affected: Postcast Server Pro (Gate Comm Software) versions 3.0.61; Easymail Objects (Quicksoft). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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