Your message dated Fri, 01 Sep 2017 11:49:59 +0000
with message-id <e1dnksv-0000rw...@fasolo.debian.org>
and subject line Bug#872595: fixed in calibre 3.7.0+dfsg-1
has caused the Debian Bug report #872595,
regarding calibre: please use system libmspack instead of embedded copy
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
872595: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=872595
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Source: calibre
Version: 3.4.0+dfsg-1
Severity: grave
Tags: security upstream
X-Debbugs-CC: t...@security.debian.org


Quack,

Sorry for the bad news, but Calibre embed a very old version of libmspack to build a plugin: /usr/lib/calibre/calibre/plugins/lzx.so

Unfortunately, this library had a few security issues over time, and recently:
  https://security-tracker.debian.org/tracker/source-package/libmspack

So this means Calibre is affected (all versions is Debian) by these two security bugs and probably other older ones. The proper solution would be to use the libmspack library which has been fixed with all the fixes backported to stable and oldstable.

It is defined in 'setup/extensions.json' but I have no idea how to make it use the system library so I have no patch to suggest.

Btw it seems 'src/calibre/utils/' contains a lot of borrowed code which might lead to security problems too, so I would suggest to have a look and work things out with upstream to at least have build flags to use system libraries when available.

Regards.

--
Marc Dequènes

--- End Message ---
--- Begin Message ---
Source: calibre
Source-Version: 3.7.0+dfsg-1

We believe that the bug you reported is fixed in the latest version of
calibre, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 872...@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Norbert Preining <prein...@debian.org> (supplier of updated calibre package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmas...@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Wed, 30 Aug 2017 20:40:23 +0900
Source: calibre
Binary: calibre calibre-bin
Architecture: source amd64 all
Version: 3.7.0+dfsg-1
Distribution: unstable
Urgency: medium
Maintainer: Miriam Ruiz <little_m...@yahoo.es>
Changed-By: Norbert Preining <prein...@debian.org>
Description:
 calibre    - e-book converter and library management
 calibre-bin - e-book converter and library management
Closes: 872595
Changes:
 calibre (3.7.0+dfsg-1) unstable; urgency=medium
 .
   [ Martin Pitt ]
   * Whitespace fixes
 .
   [ Norbert Preining ]
   * New upstream version 3.7.0+dfsg
   * Rework .pyc generation using pycompile in postinst/postrm
     code copied from dh_python generated debhelper snippets.
   * do not delete _ui.py files in clean action
   * update list of installed files
   * add source override for wrong lintian check
   * add python-html5-parser to deps
   * bump standards version, no changes necessary
   * cherrypick upstream fix for mspack security issues (Closes: #872595)
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