vulnerability
MFSA2019-13 Firefox: Security vulnerabilities fixed in Firefox 67 (CVE-2019-9821)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | May 21, 2019 | May 22, 2019 | Aug 11, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
May 21, 2019
Added
May 22, 2019
Modified
Aug 11, 2025
Description
A use-after-free vulnerability can occur in AssertWorkerThread due to a race condition with shared workers. This results in a potentially exploitable crash. This vulnerability affects Firefox < 67.
Solution
mozilla-firefox-upgrade-67_0
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