CVE-2009-4171: yahoo messenger

Vulnerability summary

CVE-2009-4171 is a medium (CVSS 4.3) vulnerability in yahoo messenger. EPSS estimates a 5.09% chance of exploitation in the next 30 days, higher than 92.2% of scored vulnerabilities. 3 public exploits are recorded.

Timeline

1. 02-12-2009
   PublishedVulnerability first disclosed.
2. 07-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.