CVE ID:	CVE-2021-23987
Description:	Mozilla developers and community members reported memory safety bugs present in Firefox 86 and Firefox ESR 78.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-23987 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1513519%2C1683439%2C1690169%2C1690718 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1513519%2C1683439%2C1690169%2C1690718 https://www.mozilla.org/security/advisories/mfsa2021-10/ https://www.mozilla.org/security/advisories/mfsa2021-10/ https://www.mozilla.org/security/advisories/mfsa2021-11/ https://www.mozilla.org/security/advisories/mfsa2021-11/ https://www.mozilla.org/security/advisories/mfsa2021-12/ https://www.mozilla.org/security/advisories/mfsa2021-12/