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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1700
                   [DLA 1786-1] qt4-x11 security update
                                14 May 2019

===========================================================================

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

Product:           qt4-x11
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-19873 CVE-2018-19871 CVE-2018-19870
                   CVE-2018-19869 CVE-2018-15518 CVE-2018-1987

Reference:         ESB-2019.1247
                   ESB-2019.0974
                   ESB-2019.0973
                   ESB-2018.3952

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2019/05/msg00014.html

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Package        : qt4-x11
Version        : 4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u2
CVE ID         : CVE-2018-15518 CVE-2018-19869 CVE-2018-19870 CVE-2018-1987=
1=20
                 CVE-2018-19873
Debian Bug     : #923003


Multiple issues have been addressed in Qt4.

CVE-2018-15518

    A double-free or corruption during parsing of a specially crafted
    illegal XML document.

CVE-2018-19869

    A malformed SVG image could cause a segmentation fault in
    qsvghandler.cpp.

CVE-2018-19870

    A malformed GIF image might have caused a NULL pointer dereference in
    QGifHandler resulting in a segmentation fault.

CVE-2018-19871

    There was an uncontrolled resource consumption in QTgaFile.

CVE-2018-19873

    QBmpHandler had a buffer overflow via BMP data.

For Debian 8 "Jessie", these problems have been fixed in version
4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u2.

We recommend that you upgrade your qt4-x11 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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===========================================================================
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