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Date: Thu, 17 Nov 2011 08:37:13 -0700
From: Kurt Seifried <>
Subject: Re: CVE Request: nginx resolver heap overflow

On 11/16/2011 10:50 PM, Ben Hawkes wrote:
> Hi,
> The nginx team have released stable version 1.0.10, which includes a fix 
> for a heap overflow bug in the custom DNS resolver:
> The resolver is most commonly used with the proxy and fastcgi modules,
> which are not enabled by default.
> In order to trigger this condition an attacker would need to be in
> control of an upstream resolver host, or be in a position to brute-force
> the weakly generated 16-bit transaction identifier.
> Thanks,
> Ben Hawkes
Do you need a CVE # for this issue?


-Kurt Seifried / Red Hat Security Response Team

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