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Date: Sat, 24 Sep 2011 07:56:34 -0600
From: Vincent Danen <>
Subject: CVE request: is_a() function may allow arbitrary code execution in
 PHP 5.3.7/5.3.8

Could a CVE be assigned for this flaw?  PHP 5.3.7 changed how the is_a()
function worked, and as a result it could allow for remote arbitrary
code execution if certain specific conditions are met (the blog post
referenced below has a good writeup of the flaw).

It looks like this is the fix:;revision=317183


Vincent Danen / Red Hat Security Response Team 

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