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TI-2009-01437 Aliases CVE-2009-1516GHSA-4w76-7x5q-c3j6

Stack-based buffer overflow in the IceWarpServer.APIObject ActiveX control in api.dll in…

Priority LOW 39CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Stack-based buffer overflow in the IceWarpServer.APIObject ActiveX control in api.dll in IceWarp Merak Mail Server 9.4.1 might allow context-dependent attackers to execute arbitrary code via a large value in the second argument to the Base64FileEncode method, as possibly demonstrated by a web application that accepts untrusted input for this method.

Why it matters now

EPSS 0.03208 88th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:icewarp:merak_mail_server:9.4.1:*:*:*:*:*:*:*9.4.1VulnerableIceWarp
  • cpe:2.3:a:icewarp:merak_mail_server:9.4.1:*:*:*:*:*:*:* Versions 9.4.1 Vulnerable ·IceWarp

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-1516
  2. 2026-10-03 Alias added: GHSA-4w76-7x5q-c3j6

References

Exploit 1

  • TI-2008-05442 Cross-site scripting (XSS) vulnerability in WebMail Pro in IceWarp Software Merak Mail… CVSS 2.0MEDIUM 4.3
  • TI-2007-04864 Cross-site scripting (XSS) vulnerability in the Webmail interface for IceWarp Merak Mail… CVSS 2.0MEDIUM 4.3

Sources