CVE ID:	CVE-2020-26974
Description:	When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. 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-2020-26974 https://bugzilla.mozilla.org/show_bug.cgi?id=1681022 https://bugzilla.mozilla.org/show_bug.cgi?id=1681022 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/