fyi

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From: l...@gnu.org (Ludovic Courtès)
To: bug-ghostscr...@gnu.org, did...@famille-link.fr
Subject: Re: ghostscript vulnerabilities
Date: Wed, 12 Oct 2016 23:13:54 +0200
Cc: guix-de...@gnu.org, Alex Vong <alexvong1...@gmail.com>

Hello Didier and all,

We are wondering about the applicability to GNU Ghostscript of the
recent vulnerabilities discovered in AGPL Ghostscript:

Alex Vong <alexvong1...@gmail.com> skribis:

> Salvatore Bonaccorso <car...@debian.org> writes:
>
>> -------------------------------------------------------------------------
>> Debian Security Advisory DSA-3691-1                   secur...@debian.org
>> https://www.debian.org/security/                     Salvatore Bonaccorso
>> October 12, 2016                      https://www.debian.org/security/faq
>> -------------------------------------------------------------------------
>>
>> Package        : ghostscript
>> CVE ID         : CVE-2013-5653 CVE-2016-7976 CVE-2016-7977 CVE-2016-7978 
>>                  CVE-2016-7979 CVE-2016-8602
>> Debian Bug     : 839118 839260 839841 839845 839846 840451
>>
>> Several vulnerabilities were discovered in Ghostscript, the GPL
>> PostScript/PDF interpreter, which may lead to the execution of arbitrary
>> code or information disclosure if a specially crafted Postscript file is
>> processed.

[...]

> I've checked just now. GNU Ghostscript is also affected at least by
> CVE-2016-8602. Looking at the patch in this bug report[0] and the
> source[1], one can see that the vulnerable lines are present in GNU
> Ghostscript. What should we do now?
>
> [0]: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=840451
> [1]: http://git.savannah.gnu.org/cgit/ghostscript.git/tree/psi/zht2.c

WDYT?  Perhaps a new release incorporating the fixes is in order?

Thanks,
Ludo’.

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