vulnerability
MFSA2021-43 Firefox: Security Vulnerabilities fixed in Firefox 93 (CVE-2021-38496)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Oct 5, 2021 | Oct 6, 2021 | Aug 11, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Oct 5, 2021
Added
Oct 6, 2021
Modified
Aug 11, 2025
Description
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.
Solution
mozilla-firefox-upgrade-93_0
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