- Mozilla Firefox 95.0
* You can now move the Picture-in-Picture toggle button to the
opposite side of the video. Simply look for the new context menu
option Move Picture-in-Picture Toggle to Left (Right) Side.
* To better protect Firefox users against side-channel attacks such
as Spectre, Site Isolation is now enabled for all Firefox 95 users.
* https://www.mozilla.org/en-US/firefox/95.0/releasenotes
MFSA 2021-52 (bsc#1193485)
* CVE-2021-43536 (bmo#1730120)
URL leakage when navigating while executing asynchronous
function
* CVE-2021-43537 (bmo#1738237)
Heap buffer overflow when using structured clone
* CVE-2021-43538 (bmo#1739091)
Missing fullscreen and pointer lock notification when
requesting both
* CVE-2021-43539 (bmo#1739683)
GC rooting failure when calling wasm instance methods
* MOZ-2021-0010 (bmo#1735852)
Use-after-free in fullscreen objects on MacOS
* CVE-2021-43540 (bmo#1636629)
WebExtensions could have installed persistent ServiceWorkers
* CVE-2021-43541 (bmo#1696685)
External protocol handler parameters were unescaped
* CVE-2021-43542 (bmo#1723281)
XMLHttpRequest error codes could have leaked the existence of
an external protocol handler
* CVE-2021-43543 (bmo#1738418)
Bypass of CSP sandbox directive when embedding
* CVE-2021-43544 (bmo#1739934)