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When multiple WASM threads had a reference to a module, and were looking up exported functions, one WASM thread could have overwritten another's entry in a shared stub table, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 82.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade librewolfUpgrade firefox | Aug 22, 2024 | Oct 22, 2020 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Oct 22, 2020 |
| Mfsa2020 45 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 82.0 | Oct 21, 2020 | Oct 20, 2020 |
| Ubuntu | — | Upgrade firefox | Mar 22, 2023 | Oct 22, 2020 |
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