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Date: Thu, 17 Nov 2011 05:50:22 +0000
From: Ben Hawkes <>
Subject: CVE Request: nginx resolver heap overflow


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.

Ben Hawkes

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