Slackware: 2020-094-01 Critical: Mozilla-Firefox Use-After-Free Exploit

Here are the details from the Slackware 14.2 ChangeLog: patches/packages/mozilla-firefox-68.6.1esr-i686-1_slack14.2.txz: Upgraded. This release contains critical security fixes and improvements. "Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw." "Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw." For more information, see: https://www.firefox.com/en-US/firefox/68.6.1/releasenotes/?redirect_source=mozilla-org https://www.mozilla.org/en-US/security/advisories/mfsa2020-11/ https://www.cve.org/CVERecord?id=CVE-2020-6819 https://www.cve.org/CVERecord?id=CVE-2020-6820 (* Security fix *)