Yahoo patches security holes
17 August 2004
Yahoo has issued a security patch to fix a flaw in its latest instant messaging software.
The patch repairs a security hole stemming from Yahoo Messenger's use of the portable network graphics (PNG) format.
Posted to the web late last Thursday, the company said the patch would not change any functionality on the service.
"This affects users on the all new Yahoo Messenger," said Yahoo spokeswoman Terrell Karlsten.
Without the patch, a memory problem, known as a buffer overflow, could reportedly allow specially created PNG graphics to execute malicious programs when a vulnerable application loads an image.
Yahoo posted the security update on its Yahoo Messenger site. The company is believed to have learned of the problem through a notice issued last week by the US Computer Emergency Readiness Team.
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