CVE ID:	CVE-2020-26973
Description:	Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
Test IDs:	1.3.6.1.4.1.25623.1.1.4.2020.14584.1   1.3.6.1.4.1.25623.1.1.4.2020.3901.1   1.3.6.1.4.1.25623.1.1.4.2020.3903.1   1.3.6.1.4.1.25623.1.1.4.2020.3902.1
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2020-26973 https://bugzilla.mozilla.org/show_bug.cgi?id=1680084 https://bugzilla.mozilla.org/show_bug.cgi?id=1680084 https://www.mozilla.org/security/advisories/mfsa2020-54/ https://www.mozilla.org/security/advisories/mfsa2020-54/ https://www.mozilla.org/security/advisories/mfsa2020-55/ https://www.mozilla.org/security/advisories/mfsa2020-55/ https://www.mozilla.org/security/advisories/mfsa2020-56/ https://www.mozilla.org/security/advisories/mfsa2020-56/