Debian LTS: DLA-3914-1: firefox-esr Security Advisory Updates
Summary
For Debian 11 bullseye, this problem has been fixed in version
128.3.1esr-1~deb11u1.
We recommend that you upgrade your firefox-esr packages.
For the detailed security status of firefox-esr please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/firefox-esr
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS