apt-cache depends upx-ucl
upx-ucl
Depends: libc6
Depends: libgcc-s1
Depends: libstdc++6
sudo apt install libstdc++6
Reading package lists… Done
Building dependency tree… Done
Reading state information… Done
libstdc++6 is already the newest version (12.2.0-14).
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
The following packages have unmet dependencies:
upx-ucl : Depends: libstdc++6 (>= 13.1) but 12.2.0-14 is to be installed
E: Broken packages