Debian: DSA-4516-1 Critical: Firefox-Esr Security Issues Identified

Multiple security issues have been found in the Mozilla Firefox web
browser, which could potentially result in the execution of arbitrary
code, cross-site scripting, bypass of the same-origin policy, sandbox
escape, information disclosure or denial of service.

For the oldstable distribution (stretch), these problems have been fixed
in version 60.9.0esr-1~deb9u1.

For the stable distribution (buster), these problems have been fixed in
version 60.9.0esr-1~deb10u1.

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/source-package/firefox-esr

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/