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Date: Thu, 4 Jul 2013 15:58:23 +0200
From: Raphael Geissert <>
Subject: Re: CVE Request: glibc getaddrinfo() stack overflow


On 3 April 2013 13:10, Marcus Meissner <> wrote:
> Hi,
> A customer reported a glibc crash, which turned out to be a stack overflow in
> getaddrinfo().
> getaddrinfo() uses:
>         struct sort_result results[nresults];
> with nresults controlled by the nameservice chain (DNS or /etc/hosts).

Looking at this issue in Debian's versions of eglibc, I noticed[1] it
crashes in an earlier part of getaddrinfo. More specifically, within
git blames a commit from 2011:;a=commit;f=sysdeps/posix/getaddrinfo.c;h=34a9094f49241ebb72084c536cf468fd51ebe3ec

And in spite of what the changelog says, it appears that the bug that
led to that change is:

A bit of patch hunting reveals that the above changes (and others)
were included into RHEL 5 because of:

Perhaps there are some missing CVE ids?


Raphael Geissert - Debian Developer -

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