CVE-2019-9821
High
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.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Mozilla Firefox
PublishedJul 23, 2019
First seenJul 23, 2019
How to fix
Update
- mozilla firefox67.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 67.0 | 67.0 |
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