CVE-2020-26959
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-26959
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-26959.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-26959
- Downstream
- Related
- Published
- 2020-12-09T01:15:13Z
- Modified
- 2025-08-09T20:01:25Z
- 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
-
During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
- References