CVE-2019-9816
Medium
Description
A possible vulnerability exists where type confusion can occur when manipulating JavaScript objects in object groups, allowing for the bypassing of security checks within these groups. *Note: this vulnerability has only been demonstrated with UnboxedObjects, which are disabled by default on all supported releases.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
SeverityMedium
CVSS5.9
Exploit probability—
Product
Mozilla Firefox
PublishedJul 23, 2019
First seenJul 23, 2019
How to fix
Update
- mozilla firefox67.0 or later
- mozilla firefox_esr60.7 or later
- mozilla thunderbird60.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 67.0 | 67.0 |
| mozilla firefox_esr | v < 60.7 | 60.7 |
| mozilla thunderbird | v < 60.7 | 60.7 |
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