Red Hat Security Advisory 2021-3755-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.2.0 ESR. Issues addressed include double free and use-after-free vulnerabilities.
183b7fa3104243a5b8c4805e9541c027d34d33a5d577e9978401ec54fcba0c21