A qtbase-opensource-src security update has been released for Debian GNU/Linux 8 LTS to address an issue with Qt5's plugin loader code as found in qtbase-opensource-src.

Package : qtbase-opensource-src
Version : 5.3.2+dfsg-4+deb8u4
CVE ID : CVE-2020-0569

In Qt5's plugin loader code as found in qtbase-opensource-src, it was
possible to (side-)load plugins from "the" local folder in addition to a
system-widely defined library path.

For Debian 8 "Jessie", this problem has been fixed in version
5.3.2+dfsg-4+deb8u4.

We recommend that you upgrade your qtbase-opensource-src 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