Yahoo! Messenger IMvironment buffer overflow

yahoo-messenger-imvironment-bo (8265) The risk level is classified as LowLow Risk


Yahoo! Messenger is vulnerable to a denial of service attack, caused by a buffer overflow in the IMvironment field of the Yahoo protocol. By sending a message containing an overly large IMvironment field using a malicious Yahoo! Messenger client, a remote attacker could overflow a buffer and cause the recipient's Messenger client to crash.


Denial of Service


Upgrade to the latest version of Yahoo! Messenger (5.0 Build 1065 or later), available from the Yahoo! Messenger Web site. See References.


Platforms Affected:

  • Yahoo Messenger 5.0


Feb 21, 2002

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