Debian bullseye
Source: Debian Security Tracker
firefox-esr→ fixed in52.4.0esr-2urgency: not yet assignedsudo apt-get install --only-upgrade -y firefox-esr
nss→ fixed in2:3.33-1urgency: not yet assignedsudo apt-get install --only-upgrade -y nss
thunderbird→ fixed in1:52.4.0-1urgency: not yet assignedsudo apt-get install --only-upgrade -y thunderbird