Debian: DLA-1786-1 High: qt4-x11 Buffer Overflow and Segmentation Fault

debian lts

May 14, 2019

Multiple issues have been addressed in Qt4

Topics Covered

security advisory Debian segmentation fault resource consumption qt4-x11

Summary

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

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