CVE-2020-26974
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-26974
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-26974.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-26974
- Downstream
- Related
- Published
- 2021-01-07T14:15:12Z
- Modified
- 2025-08-09T20:01:26Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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