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Date: Mon, 25 Dec 2023 21:27:37 +0300
From: kai <>
Subject: Re: Re: New SMTP smuggling attack

Happy christmas list!

If anyone needs patch for postfix's 3.3.0-1ubuntu0.4 
smtpd_forbid_bare_newline feature it has been attached to this message

On 24/12/2023 12.33, Marcus Meissner wrote:
> On Sat, Dec 23, 2023 at 02:29:34PM +0200, Valtteri Vuorikoski wrote:
>> On Fri, Dec 22, 2023 at 11:46:48AM +0100, Marcus Meissner wrote:
>>> Hi,
>>> FWIW as no CVEs were to be found yet, I filed a CVE request for Postfix now.
>>> Not sure if we need it for others like sendmail too, as that is also
>>> referenced by the security researchers.
>> Looks like exim opened a bug on this yesterday too, no sign of CVE yet:
>> <>
> CVEs are assigned now for:
> - CVE-2023-51764 postfix
> - CVE-2023-51765 sendmail
> - CVE-2023-51766 exim
> Ciao, Marcus
View attachment "smtp-smuggling33.patch" of type "text/x-patch" (6395 bytes)

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