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[SECURITY] [DLA 880-1] tiff3 security update



Package        : tiff3
Version        : 3.9.6-11+deb7u4
CVE ID         : CVE-2015-8781 CVE-2015-8782 CVE-2015-8783 CVE-2015-8784 
                 CVE-2016-9533 CVE-2016-9534 CVE-2016-9535

tiff3 is affected by multiple issues that can result at least in denial of
services of applications using libtiff4. Crafted TIFF files can be
provided to trigger: abort() calls via failing assertions, buffer overruns
(both in read and write mode).

CVE-2015-8781

    tif_luv.c in libtiff allows attackers to cause a denial of service
    (out-of-bounds write) via an invalid number of samples per pixel in a
    LogL compressed TIFF image.

CVE-2015-8782

    tif_luv.c in libtiff allows attackers to cause a denial of service
    (out-of-bounds writes) via a crafted TIFF image.

CVE-2015-8783

    tif_luv.c in libtiff allows attackers to cause a denial of service
    (out-of-bounds reads) via a crafted TIFF image.

CVE-2015-8784

    The NeXTDecode function in tif_next.c in LibTIFF allows remote
    attackers to cause a denial of service (out-of-bounds write) via a
    crafted TIFF image.

CVE-2016-9533

    tif_pixarlog.c in libtiff 4.0.6 has out-of-bounds write
    vulnerabilities in heap allocated buffers.

CVE-2016-9534

    tif_write.c in libtiff 4.0.6 has an issue in the error code path of
    TIFFFlushData1() that didn't reset the tif_rawcc and tif_rawcp
    members. 

CVE-2016-9535

    tif_predict.h and tif_predict.c in libtiff 4.0.6 have assertions
    that can lead to assertion failures in debug mode, or buffer
    overflows in release mode, when dealing with unusual tile size
    like YCbCr with subsampling.

For Debian 7 "Wheezy", these problems have been fixed in version
3.9.6-11+deb7u4.

We recommend that you upgrade your tiff3 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: https://www.freexian.com/services/debian-lts.html
Learn to master Debian: https://debian-handbook.info/get/

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