Not rated
CVE-2020-12387 A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability
Description
A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox ESR 68.8 | earliest → < 68.8 | 68.8 |
| Firefox 76 | earliest → < 76 | 76 |
| Thunderbird 68.8 | earliest → < 68.8.0 | 68.8.0 |
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