In KDE Ark before 20.08.1, a crafted TAR archive with symlinks can install files outside the extraction directory, as demonstrated by a write operation to a user's home directory.
https://www.debian.org/security/2020/dsa-4759
https://usn.ubuntu.com/4482-1/
https://security.gentoo.org/glsa/202101-06
https://security.gentoo.org/glsa/202010-06
https://lists.debian.org/debian-lts-announce/2022/05/msg00026.html
https://kde.org/info/security/advisory-20200827-1.txt
https://github.com/KDE/ark/commit/8bf8c5ef07b0ac5e914d752681e470dea403a5bd
https://bugzilla.suse.com/show_bug.cgi?id=1175857
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00001.html