Comment 9 for bug 1967632

Hi, this bug also affects me.

TLDR and as a confirm of the workaround, as root digit:

# mkdir /etc/apparmor.d/abstractions/p11-kit.d/
# echo "/run/user/[0-9]*/** mr," > /etc/apparmor.d/abstractions/p11-kit.d/snap

add "#include <abstractions/p11-kit>" in /var/lib/snapd/apparmor/profiles/snap.firefox.firefox after #include <abstractions/openssl>

# apparmor_parser -v -C -r /var/lib/snapd/apparmor/profiles/snap.firefox.firefox