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[SECURITY] [DLA 1391-1] tiff security update

Package        : tiff
Version        : 4.0.2-6+deb7u21
CVE ID         : CVE-2017-11613 CVE-2018-5784
Debian Bug     : #869823 #890441

Multiple vulnerabilities have been discovered in the libtiff library and
the included tools, which may result in denial of service:


    Ddenial of service vulnerability in the TIFFOpen function. A crafted
    input will lead to a denial of service attack and can either make the
    system hand or trigger the OOM killer.


    There is an uncontrolled resource consumption in TIFFSetDirectory function
    of src/libtiff/tif_dir.c, which can cause denial of service through a
    crafted tif file.

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


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