Vulnerability Report

CVE-2006-6603

Title: Yahoo Messenger RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2006-6603.

CWE Category NVD-CWE-noinfo

Published Date Dec 15, 2006

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 9.3 CVSS v2.0

Exploit Probability (EPSS)

6.55%

Vulnerability Summary

CVE-2006-6603: Buffer overflow in the YMMAPI.YMailAttach ActiveX control (ymmapi.dll) before 2005.1.1.4 in Yahoo! Messenger allows remote attackers to execute arbitrary code via a crafted HTML document. NOTE: some details were obtained from third party information.

Impacted Vendors

yahoo 1

relatedcode 1

Reference Links

http://messenger.yahoo.com/security_update.php?id=120806 http://secunia.com/advisories/23401 http://securitytracker.com/id?1017387 http://www.kb.cert.org/vuls/id/901852 http://www.securityfocus.com/bid/21607 http://www.vupen.com/english/advisories/2006/5016 http://messenger.yahoo.com/security_update.php?id=120806 http://secunia.com/advisories/23401 http://securitytracker.com/id?1017387 http://www.kb.cert.org/vuls/id/901852 http://www.securityfocus.com/bid/21607 http://www.vupen.com/english/advisories/2006/5016

CVSS v2.0

Source Entity [email protected]

Severity HIGH

9.3

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2006-6603 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 23, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

December 15, 2006 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected Stack

No specific products linked.