8.8
High
CVE-2022-28281 If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent…
Description
If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent process, an out of bounds write would have occurred leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Thunderbird 91.8 | earliest → < 91.8 | 91.8 |
| Firefox 99 | earliest → < 99 | 99 |
| Firefox ESR 91.8 | earliest → < 91.8 | 91.8 |
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