CVE-2021-38496
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-38496
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38496.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-38496
- Downstream
- Related
- Published
- 2021-11-03T01:15:07Z
- Modified
- 2025-08-09T19:01:28Z
- 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 operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
- References
-
- https://bugzilla.mozilla.org/show_bug.cgi?id=1725335
- https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
- https://www.debian.org/security/2022/dsa-5034
- https://www.mozilla.org/security/advisories/mfsa2021-43/
- https://www.mozilla.org/security/advisories/mfsa2021-44/
- https://www.mozilla.org/security/advisories/mfsa2021-45/
- https://www.mozilla.org/security/advisories/mfsa2021-46/
- https://www.mozilla.org/security/advisories/mfsa2021-47/