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Debian: DLA-2377-1 Critical: Qt4-x11 Buffer Over-Read and XML Issues

debian lts
Calendar Grey September 28, 2020
Dist Debian Esm H88
Addressed multiple vulnerabilities in qt4-x11, such as buffer overflow risks and weaknesses in XML parsing that could impact Debian platforms.
Several vulnerabilities were fixed in qt4-x11, the legacy version of the Qt toolkit
Topics%20covered

Topics Covered

security advisory debian image handling resource consumption qt4-x11 buffer over-read XML parsing

Summary

CVE-2018-15518

Double-free or corruption in QXmlStreamReader during parsing of a
specially crafted illegal XML document.

CVE-2018-19869

A malformed SVG image causes a segmentation fault.

CVE-2018-19870

A malformed GIF image causes a NULL pointer dereference in
QGifHandler resulting in a segmentation fault.

CVE-2018-19871

Uncontrolled Resource Consumption in QTgaFile.

CVE-2018-19872

A malformed PPM image causes a crash.

CVE-2018-19873

QBmpHandler segfault on malformed BMP file.

CVE-2020-17507

Buffer over-read in the XBM parser.

For Debian 9 stretch, these problems have been fixed in version
4:4.8.7+dfsg-11+deb9u1.

We recommend that you upgrade your qt4-x11 packages.

For the detailed security status of qt4-x11 please refer to
its security tracker page at:


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


Severity
critical
Lowest
Low
Medium
High
Critical

Package: qt4-x11
Version: 4:4.8.7+dfsg-11+deb9u1
CVE ID: CVE-2018-15518 CVE-2018-19869 CVE-2018-19870 CVE-2018-19871
Debian Bug: 923003 970308

Topics%20covered

Topics Covered

security advisory debian image handling resource consumption qt4-x11 buffer over-read XML parsing

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