CVE-2021-29970
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-29970
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29970.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-29970
- Downstream
- Related
- Published
- 2021-08-05T20:15:08Z
- Modified
- 2025-08-09T19:01:27Z
- 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
-
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. This bug could only be triggered when accessibility was enabled.. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
- References
-
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709976
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202208-14
- https://www.mozilla.org/security/advisories/mfsa2021-28/
- https://www.mozilla.org/security/advisories/mfsa2021-29/
- https://www.mozilla.org/security/advisories/mfsa2021-30/