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[SECURITY] [DLA 693-1] tiff security update

Package        : tiff
Version        : 4.0.2-6+deb7u7
CVE ID         : CVE-2014-8128 CVE-2015-7554 CVE-2015-8668 CVE-2016-3186 
                 CVE-2016-3619 CVE-2016-3620 CVE-2016-3621 CVE-2016-3631
		 CVE-2016-3632 CVE-2016-3633 CVE-2016-3634 CVE-2016-5102
		 CVE-2016-5318 CVE-2016-5319 CVE-2016-5652 CVE-2016-6223
Debian Bug     : 842043 842046 842361 842270

The libtiff library and associated tools provided in libtiff-tools are
vulnerable to many security problems.

This update drops many tools which are no longer supported upstream
and which are affected by multiple memory corruption issues:
* bmp2tiff (CVE-2016-3619, CVE-2016-3620, CVE-2016-3621, CVE-2016-5319,
* gif2tiff (CVE-2016-3186, CVE-2016-5102)
* ras2tiff
* sgi2tiff
* sgisv
* ycbcr
* rgb2ycbcr (CVE-2016-3623, CVE-2016-3624)
* thumbnail (CVE-2016-3631, CVE-2016-3632, CVE-2016-3633, CVE-2016-3634,

This update also fixes the following issues:

CVE-2014-8128, CVE-2015-7554, CVE-2016-5318

    Multiple buffer overflows triggered through TIFFGetField() on unknown
    tags. Lacking an upstream fix, the list of known tags has been
    extended to cover all those that are in use by the TIFF tools.


    Heap based buffer overflow in tiff2pdf.


    Information leak in libtiff/tif_read.c. Fix out-of-bounds read on
    memory-mapped files in TIFFReadRawStrip1() and TIFFReadRawTile1()
    when stripoffset is beyond tmsize_t max value (reported by
    Mathias Svensson).

For Debian 7 "Wheezy", these problems have been fixed in version

We recommend that you upgrade your tiff packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

Raphaël Hertzog ◈ Debian Developer

Support Debian LTS: http://www.freexian.com/services/debian-lts.html
Learn to master Debian: http://debian-handbook.info/get/

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