| Description: | Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 91.4.0 ESR.
Security Fix(es):
Mozilla: Memory safety bugs fixed in Firefox 95 and Firefox ESR 91.4
Mozilla: URL leakage when navigating while executing asynchronous function (CVE-2021-43536)
Mozilla: Heap buffer overflow when using structured clone (CVE-2021-43537)
Mozilla: Missing fullscreen and pointer lock notification when requesting both (CVE-2021-43538)
Mozilla: GC rooting failure when calling wasm instance methods (CVE-2021-43539)
Mozilla: External protocol handler parameters were unescaped (CVE-2021-43541)
Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler (CVE-2021-43542)
Mozilla: Bypass of CSP sandbox directive when embedding (CVE-2021-43543)
Mozilla: Denial of Service when using the Location API in a loop (CVE-2021-43545)
Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed (CVE-2021-43546)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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