Not rated
CVE-2021-29970 A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash
Description
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Thunderbird 78.12 | earliest → < 78.12 | 78.12 |
| Firefox ESR 78.12 | earliest → < 78.12 | 78.12 |
| Firefox 90 | earliest → < 90 | 90 |
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