CVE ID:	CVE-2020-26960
Description:	If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2020-26960 https://www.mozilla.org/security/advisories/mfsa2020-50/ https://www.mozilla.org/security/advisories/mfsa2020-51/ https://www.mozilla.org/security/advisories/mfsa2020-52/ https://bugzilla.mozilla.org/show_bug.cgi?id=1670358 https://bugzilla.mozilla.org/show_bug.cgi?id=1670358