Mozilla sent Firefox Version 92.0 to the release channel today. The update includes five security updates of which three (3) are rated high and two (2) are rated moderate.
Firefox ESR was updated to Version 78.14.
High
CVE-2021-29993: Handling custom intents could lead to crashes and UI spoofs
CVE-2021-38493: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1
CVE-2021-38494: Memory safety bugs fixed in Firefox 92
Moderate
New
• More secure connections: Firefox can now automatically upgrade to HTTPS using HTTPS RR as Alt-Svc headers.
• Full-range color levels are now supported for video playback on many systems.
• Mac users can now access the macOS share options from the Firefox File menu.
• Support for images containing ICC v4 profiles is enabled on macOS.
Fixed
• Firefox performance with screen readers and other accessibility tools is no longer severely degraded if Mozilla Thunderbird is installed or updated after Firefox.
• macOS VoiceOver now correctly reports buttons and links marked as ‘expanded’ using the aria-expanded attribute.
• An open alert in a tab no longer causes performance issues in other tabs using the same process.
Changed
• The bookmark toolbar menus on macOS now follow Firefox visual styles.
• Certificate error pages have been redesigned for a better user experience.
Continuing work to restructure Firefox’s JavaScript memory management to be more performant and use less memory.
• More secure connections: Firefox can now automatically upgrade to HTTPS using HTTPS RR as Alt-Svc headers.
• Full-range color levels are now supported for video playback on many systems.
• Mac users can now access the macOS share options from the Firefox File menu.
• Support for images containing ICC v4 profiles is enabled on macOS.
Fixed
• Firefox performance with screen readers and other accessibility tools is no longer severely degraded if Mozilla Thunderbird is installed or updated after Firefox.
• macOS VoiceOver now correctly reports buttons and links marked as ‘expanded’ using the aria-expanded attribute.
• An open alert in a tab no longer causes performance issues in other tabs using the same process.
Changed
• The bookmark toolbar menus on macOS now follow Firefox visual styles.
• Certificate error pages have been redesigned for a better user experience.
Continuing work to restructure Firefox’s JavaScript memory management to be more performant and use less memory.
Update
To get the update now, select "Help" from the Firefox menu, then pick "About Firefox." Mac users need to select "About Firefox" from the Firefox menu. If you do not use the English language version, Fully Localized Versions are available for download.
References
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