Detections
Analytics
CVE-2020-26974
high
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.
References
https://www.mozilla.org/security/advisories/mfsa2020-56/
https://www.mozilla.org/security/advisories/mfsa2020-55/