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-2018-19871 
                 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

-- 

mike gabriel aka sunweaver (Debian Developer)
fon: +49 (1520) 1976 148

GnuPG Fingerprint: 9BFB AEE8 6C0A A5FF BF22  0782 9AF4 6B30 2577 1B31
mail: sunweaver@debian.org, https://sunweavers.net/