Firejail uses 0777 permissions when mounting (1) /dev, (2) /dev/shm, (3) /var/tmp, or (4) /var/lock, which allows local users to gain privileges.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "0.9.38-1", "binary_name": "firejail" }, { "binary_version": "0.9.38-1", "binary_name": "firejail-dbgsym" } ] }