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Vulnerability Score 5.0 5.0
CVE Id CVE-2005-1618
Last Modified 05 Sep 2008 04:49:37
Published 16 May 2005 12:00:00
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity LOW
Authentication NONE



The YMSGR URL handler in Yahoo! Messenger 5.x through 6.0 allows remote attackers to cause a denial of service (disconnect) via a room login or a room join request packet with a third : (colon) and an & (ampersand), which causes Messenger to send a corrupted packet to the server, which triggers a disconnect from the server.

Vulnerable Systems


  • Yahoo Messenger 5.5

  • Yahoo Messenger 5.6

  • Yahoo Messenger 6.0


BUGTRAQ - 20050513 Yahoo! Messenger URL Handler Remote DoS Vulnerability

BID - 13626

OSVDB - 16816

Last Updated: 27 May 2016 10:40:14