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Date: Wed, 12 Feb 2014 11:23:54 +1100
From: Michael Samuel <>
Subject: Re: CVE Request New-djbdns: dnscache: potential cache poisoning

On 12 February 2014 01:51, P J P <> wrote:

>   Hi,
>  ->
> This looks like the same issue - predictable hash collision.

The same issue, different result.

CVE-2013-6401 is a DoS vulnerability, which would result in excess
CPU usage per hash lookup.

The described issue would result in expiring attacker-specified (but
not more) cache entries at approximately the same CPU cost.  So
this is something else.


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