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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1195
                    [DLA 1354-1] opencv security update
                               19 April 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           opencv
Publisher:         Debian
Operating System:  Debian GNU/Linux 7
                   Linux variants
                   Mac OS
                   Windows
                   BSD variants
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5269 CVE-2018-5268 

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2018/04/msg00019.html

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running opencv check for an updated version of the software for 
         their operating system.

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Package        : opencv
Version        : 2.3.1-11+deb7u4
CVE ID         : CVE-2018-5268 CVE-2018-5269
Debian Bug     : 886674 886675

Two vulnerabilities were found in OpenCV, the "Open Computer Vision
Library".

CVE-2018-5268

    In OpenCV 3.3.1, a heap-based buffer overflow happens in
    cv::Jpeg2KDecoder::readComponent8u in
    modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted
    image file.

CVE-2018-5269

    In OpenCV 3.3.1, an assertion failure happens in
    cv::RBaseStream::setPos in modules/imgcodecs/src/bitstrm.cpp
    because of an incorrect integer cast.

For Debian 7 "Wheezy", these problems have been fixed in version
2.3.1-11+deb7u4.

We recommend that you upgrade your opencv 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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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
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