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AUSCERT External Security Bulletin Redistribution
[DLA 1786-1] qt4-x11 security update
14 May 2019
AusCERT Security Bulletin Summary
Operating System: Debian GNU/Linux 8
Impact/Access: Denial of Service -- Remote with User Interaction
CVE Names: CVE-2018-19873 CVE-2018-19871 CVE-2018-19870
CVE-2018-19869 CVE-2018-15518 CVE-2018-1987
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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=
Debian Bug : #923003
Multiple issues have been addressed in Qt4.
A double-free or corruption during parsing of a specially crafted
illegal XML document.
A malformed SVG image could cause a segmentation fault in
A malformed GIF image might have caused a NULL pointer dereference in
QGifHandler resulting in a segmentation fault.
There was an uncontrolled resource consumption in QTgaFile.
QBmpHandler had a buffer overflow via BMP data.
For Debian 8 "Jessie", these problems have been fixed in version
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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