CVE-2022-45406
Critical
Description
If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Mozilla Firefox
PublishedDec 22, 2022
First seenDec 22, 2022
Weakness typeCWE-416Use after free
How to fix
Update
- mozilla firefox107.0 or later
- mozilla firefox_esr102.5 or later
- mozilla thunderbird102.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 107.0 | 107.0 |
| mozilla firefox_esr | v < 102.5 | 102.5 |
| mozilla thunderbird | v < 102.5 | 102.5 |
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