Firejail through 0.9.62 mishandles shell metacharacters during use of the --output or --output-stderr option, which may lead to command injection

Firejail before 0.9.44.4, when running on a Linux kernel before 4.8, allows context-dependent attackers to bypass a seccomp-based sandbox protection mechanism via the…

In Firejail before 0.9.60, seccomp filters are writable inside the jail, leading to a lack of intended seccomp restrictions for a process that is joined to the jail after a filter…

Firejail before 0.9.44.6 and 0.9.38.x LTS before 0.9.38.10 LTS does not comprehensively address dotfile cases during its attempt to prevent accessing user files with an euid of…

Firejail before 0.9.44.4 and 0.9.38.x LTS before 0.9.38.8 LTS does not consider the .Xauthority case during its attempt to prevent accessing user files with an euid of zero, which…

Firejail 0.9.38.4 allows local users to execute arbitrary commands outside of the sandbox via a crafted TIOCSTI ioctl call

Firejail before 0.9.60 allows truncation (resizing to length 0) of the firejail binary on the host by running exploit code inside a firejail sandbox and having the sandbox…

A Privilege Context Switching issue was discovered in join.c in Firejail 0.9.68

Firejail through 0.9.62 does not honor the -- end-of-options indicator after the --output option, which may lead to command injection

Firejail allows --chroot when seccomp is not supported, which might allow local users to gain privileges

Firejail does not properly clean environment variables, which allows local users to gain privileges

Firejail uses weak permissions for /dev/shm/firejail and possibly other files, which allows local users to gain privileges

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

Firejail uses 0777 permissions when mounting /tmp, which allows local users to gain privileges

Firejail does not restrict access to --tmpfs, which allows local users to gain privileges, as demonstrated by mounting over /etc

Firejail before 0.9.44.4, when running a bandwidth command, allows local users to gain root privileges via the --shell argument

Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation

Firejail allows local users to truncate /etc/resolv.conf via a chroot command to /