CVE-2006-6603 json
Buffer overflow in the YMMAPI.YMailAttach ActiveX control (ymmapi.dll) before 2005.1.1.4 in Yahoo!
published 2006-12-15 19 y ago modified 2026-06-16 4 mo ago also EUVD-2006-6586
- cvss
- 9.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.6%
- EPSS 6.6% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- securitytracker.com/id?1017387 patch
- securityfocus.com/bid/21607 patch
- kb.cert.org/vuls/id/901852 advisory
- messenger.yahoo.com/security_update.php?id=120806 advisory
- secunia.com/advisories/23401 advisory
Exploit prediction
6.60% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
References
-
securitytracker.com
/id?1017387
vdb-entry, patch
-
securityfocus.com
/bid/21607
vdb-entry, patch
-
kb.cert.org
/vuls/id/901852
third-party-advisory, patch, us-government-resource
-
messenger.yahoo.com
/security_update.php?id=120806
patch, vendor-advisory
-
secunia.com
/advisories/23401
third-party-advisory, patch, vendor-advisory
-
vupen.com
/english/advisories/2006/5016
vdb-entry
Sources
- CVE List CVE-2006-6603
- NVD CVE-2006-6603
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.