CVE-2022-22740
High
Description
Certain network request objects were freed too early when releasing a network request handle. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedDec 22, 2022
First seenDec 22, 2022
Weakness typeCWE-416Use after free
How to fix
Update
- mozilla firefox96.0 or later
- mozilla firefox_esr91.5 or later
- mozilla thunderbird91.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 96.0 | 96.0 |
| mozilla firefox_esr | v < 91.5 | 91.5 |
| mozilla thunderbird | v < 91.5 | 91.5 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.