CVE-2009-4171

Public Exploit

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.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 3.15% Top 15%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/archive/1/507818/100/0/threaded mailing list
https://exchange.xforce.ibmcloud.com/vulnerabilities/54263 vdb entry
http://www.securityfocus.com/bid/37007 vdb entry exploit

Frequently Asked Questions

What is the severity of CVE-2009-4171?
CVE-2009-4171 has been scored as a medium severity vulnerability.
How to fix CVE-2009-4171?
To fix CVE-2009-4171, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-4171 being actively exploited in the wild?
It is possible that CVE-2009-4171 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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