CVE-2022-1529
High
Description
An attacker could have sent a message to the parent process where the contents were used to double-index into a JavaScript object, leading to prototype pollution and ultimately attacker-controlled JavaScript executing in the privileged parent process. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedDec 22, 2022
First seenDec 22, 2022
Weakness typeCWE-1321Prototype pollution
How to fix
Update
- mozilla firefox100.0.2, 100.3.0 or later
- mozilla firefox_esr91.9.1 or later
- mozilla thunderbird91.9.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 100.0.2, v < 100.3.0 | 100.0.2, 100.3.0 |
| mozilla firefox_esr | v < 91.9.1 | 91.9.1 |
| mozilla thunderbird | v < 91.9.1 | 91.9.1 |
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