A qtbase-opensource-src security update has been released for Debian GNU/Linux 9 LTS to address several vulnerabilities.

DLA 2376-1: qtbase-opensource-src security update

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Debian LTS Advisory DLA-2376-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Adrian Bunk
September 21, 2020   https://wiki.debian.org/LTS
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Package : qtbase-opensource-src
Version : 5.7.1+dfsg-3+deb9u3
CVE ID : CVE-2018-19872 CVE-2020-17507
Debian Bug : 968444

Several vulnerabilities were fixed in the Qt toolkit.

CVE-2018-19872

A malformed PPM image causes a crash.

CVE-2020-17507

Buffer over-read in the XBM parser.

For Debian 9 stretch, these problems have been fixed in version
5.7.1+dfsg-3+deb9u3.

We recommend that you upgrade your qtbase-opensource-src packages.

For the detailed security status of qtbase-opensource-src please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/qtbase-opensource-src

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