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Date: Thu, 4 Jun 2015 09:11:28 -0300
From: Felipe Pena <>
To: "" <>
Subject: Re: Re: Re: Re: Re: CVE-2015-3217: PCRE Library Call
 Stack Overflow Vulnerability in match()

On Wed, Jun 3, 2015 at 9:58 PM, wen_guanxing
<> wrote:
> Although PHP is not setting the match_limit_recursion correctly, this pattern revealed a bug in the zero length recursion detector.Running the pattern with pcretest, the process will also hang.
> It's fair to say that both PHP and PCRE has made a mistake.
> I will report this later to PHP later.

AFAIK this is not a bug on PHP at all, this is a long time known issue
on PCRE lib instead.
Check the documentation for futher details:

Felipe Pena

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