Qt through 5.15.8 and 6.x through 6.2.3 can load system library files from an unintended working directory.
{ "binaries": [ { "binary_version": "5.5.1+dfsg-16ubuntu6", "binary_name": "libqt5gui5-gles" }, { "binary_version": "5.5.1+dfsg-16ubuntu6", "binary_name": "libqt5opengl5-gles" }, { "binary_version": "5.5.1+dfsg-16ubuntu6", "binary_name": "libqt5opengl5-gles-dev" }, { "binary_version": "5.5.1+dfsg-16ubuntu6", "binary_name": "qt5-qmake-gles" }, { "binary_version": "5.5.1+dfsg-16ubuntu6", "binary_name": "qtbase5-gles-dev" }, { "binary_version": "5.5.1+dfsg-16ubuntu6", "binary_name": "qtbase5-private-gles-dev" } ] }