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TI-2009-03956 Aliases CVE-2009-4171GHSA-rmjx-qrw2-mx8p

An ActiveX control in YahooBridgeLib.dll for Yahoo! Messenger 9.0.0.2162, and possibly…

Priority LOW 28CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · 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

An ActiveX control in YahooBridgeLib.dll for Yahoo! Messenger 9.0.0.2162, and possibly other 9.0 versions, allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by calling the RegisterMe method with a long argument.

Why it matters now

EPSS 0.05087 92nd percentileScored 2026-11-07
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:yahoo:messenger:9.0.0.2162:*:*:*:*:*:*:*9.0.0.2162Vulnerableyahoo
  • cpe:2.3:a:yahoo:messenger:9.0.0.2162:*:*:*:*:*:*:* Versions 9.0.0.2162 Vulnerable ·yahoo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-4171
  2. 2026-10-03 Alias added: GHSA-rmjx-qrw2-mx8p

References

—

  • TI-2007-03044 Buffer overflow in the Yahoo! Webcam Upload ActiveX control in ywcupl.dll 2.0.1.4 for… CVSS 2.0HIGH 9.3
  • TI-2007-04373 Buffer overflow in a certain ActiveX control in YVerInfo.dll before 2007.8.27.1 in the… CVSS 2.0HIGH 9.3
  • TI-2007-03045 Buffer overflow in the Yahoo! Webcam Viewer ActiveX control in ywcvwr.dll 2.0.1.4 for… CVSS 2.0HIGH 9.3
  • TI-2007-04251 Heap-based buffer overflow in Kakadu kdu_v32m.dll in Yahoo! Messenger 8.1.0.413 allows… CVSS 2.0HIGH 9.3
  • TI-2007-01618 Stack-based buffer overflow in the createAndJoinConference function in the AudioConf… CVSS 2.0HIGH 9.3
  • TI-2014-06011 Multiple stack-based buffer overflows in Yahoo! Messenger 11.5.0.228 and earlier allow… CVSS 2.0HIGH 9.3
See all 32 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences