[Bglug] Update "*fake" question

[LP]

Hi all,
My System:
-Version-
Kernel        : Linux 3.19.0-32-generic (x86_64)
Compiled        : #37~14.04.1-Ubuntu SMP Thu Oct 22 09:41:40 UTC 2015
C Library        : Unknown
Default C Compiler        : GNU C Compiler version 4.8.4 (Ubuntu
4.8.4-2ubuntu1~14.04.3)
Distribution        : Linux Mint 17.3 Rosa
-Current Session-
Computer Name        : tb
User Name        : tb (TB)
Home Directory        : /home/tb
Desktop Environment        : LXDE
-Misc-
Uptime        : 7 minutes
Load Average        : 0.12, 0.31, 0.21
...........................................................................................................
*is this a legit update and why is it marked "*fake"*

"p7zip (9.20.1~dfsg.1-4+deb7u2build0.14.04.1) trusty-security;
urgency=medium

 * * fake sync from Debian*

 -- Tyler Hicks <tyhicks at canonical.com>  Fri, 01 Jul 2016 13:34:07 -0500

p7zip (9.20.1~dfsg.1-4+deb7u2) wheezy-security; urgency=high

  * Non-maintainer upload by the LTS team.
  * Fix the heap buffer overflow in UDF handler (CVS-2016-2335) using
patches
    from https://sourceforge.net/p/p7zip/discussion/383043/thread/9d0fb86b/
    (closes: #824160).

 -- Brian May <bam at debian.org>  Tue, 07 Jun 2016 08:07:49 +1000

p7zip (9.20.1~dfsg.1-4+deb7u1) wheezy-security; urgency=medium

  * Non-maintainer upload.
  * Delay creation of symlinks to prevent arbitrary file writes
(CVE-2015-1038)
    (Closes: #774660) "

Thank you
LP
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