Yahoo Inc. this week issued a security update for Yahoo Messenger after the report earlier this week of a buffer overflow vulnerability in the instant messaging client. "Yahoo said it learned of the security issue late Tuesday and issued the patch by Wednesday afternoon. Security researcher Tri Huynh discovered a vulnerability that, if exploited, could allow a malicious Web site to run code on a user's computer, according to an advisory issued Wednesday by Danish security company Secunia."

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