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Unrated severityNVD Advisory· Published Dec 2, 2009· Updated Jun 16, 2026

CVE-2009-4171

CVE-2009-4171

Description

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Yahoo/Messenger2 versions
    cpe:2.3:a:yahoo:messenger:9.0.0.2162:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:yahoo:messenger:9.0.0.2162:*:*:*:*:*:*:*
    • (no CPE)range: <=9.0.0.2162

Patches

Vulnerability mechanics

References

3

News mentions

0

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