The Kleopatra component before 3.1.12 (and before 20.07.80) for GnuPG allows remote attackers to execute arbitrary code because openpgp4fpr: URLs are supported without safe handling of command-line options. The Qt platformpluginpath command-line option can be used to load an arbitrary DLL.
https://security.gentoo.org/glsa/202008-21
https://dev.gnupg.org/source/kleo/browse/master/CMakeLists.txt
https://dev.gnupg.org/rKLEOPATRAb4bd63c1739900d94c04da03045e9445a5a5f54b
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00064.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00053.html