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Date: Tue, 27 Jan 2015 18:19:48 -0800
From: Jonathan Brossard <>
To: Qualys Security Advisory <>
Subject: Re: GHOST gethostbyname() heap overflow in glibc (CVE-2015-0235)

Dear Qualys team, dear list,

> From GHOST.c :
> ...
>   char name[10];
>   memset(name, '0', len);
>   name[len] = '\0';
> ...

I have been made aware off line that I have been working with an edited
version of GHOST.c : the original version has a name buffer of size
1024, which is indeed perfectly fine to copy 991 + 1 byte !

There is no stack overflow in the original GHOST.c code : my humble
appology for the noise :(

Best regards,


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