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[SECURITY] [DLA 683-1] graphicsmagick security update



Package        : graphicsmagick
Version        : 1.3.16-1.1+deb7u5
CVE ID         : CVE-2016-7448 CVE-2016-7996 CVE-2016-7997 CVE-2016-8682 
                 CVE-2016-8683 CVE-2016-8684

Several vulnerabilities have been found in the graphicsmagick package
that may lead to denial of service through failed assertions, CPU or
memory usage. Some vulnerabilities may also lead to code execution but
no exploit is currently known.

CVE-2016-7448

    Utah RLE: Reject truncated/absurd files which caused huge memory
    allocations and/or consumed huge CPU 

CVE-2016-7996

    missing check that the provided colormap is not larger than 256
    entries resulting in potential heap overflow

CVE-2016-7997

    denial of service via a crash due to an assertion

CVE-2016-8682

    stack-based buffer overflow in ReadSCTImage (sct.c)

CVE-2016-8683

    memory allocation failure in ReadPCXImage (pcx.c)

CVE-2016-8684

    memory allocation failure in MagickMalloc (memory.c)

For Debian 7 "Wheezy", these problems have been fixed in version
1.3.16-1.1+deb7u5.

We recommend that you upgrade your graphicsmagick 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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