vulnerability
MFSA2020-11 Firefox: Security Vulnerabilities fixed in Firefox 74.0.1 and Firefox ESR 68.6.1 (CVE-2020-6819)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Apr 3, 2020 | Apr 6, 2020 | Aug 11, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Apr 3, 2020
Added
Apr 6, 2020
Modified
Aug 11, 2025
Description
Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.
Solutions
mozilla-firefox-esr-upgrade-68_6_1mozilla-firefox-upgrade-74_0_1
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