CVE-2022-31736
Critical
Description
A malicious website could have learned the size of a cross-origin resource that supported Range requests. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Mozilla Firefox
PublishedDec 22, 2022
First seenDec 22, 2022
Weakness typeCWE-942CWE-942
How to fix
Update
- mozilla firefox101 or later
- mozilla firefox_esr91.10 or later
- mozilla thunderbird91.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 101 | 101 |
| mozilla firefox_esr | v < 91.10 | 91.10 |
| mozilla thunderbird | v < 91.10 | 91.10 |
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