9.8
Critical
CVE-2022-31736 A malicious website could have learned the size of a cross-origin resource that supported Range requests
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Thunderbird 91.10 | earliest → < 91.10 | 91.10 |
| Firefox 101 | earliest → < 101 | 101 |
| Firefox ESR 91.10 | earliest → < 91.10 | 91.10 |
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