Mozilla developers reported memory safety bugs present in Firefox 81. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 82.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-firefoxalpine-linux-upgrade-librewolf | Aug 22, 2024 | Oct 22, 2020 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Oct 22, 2020 | |
| Mfsa2020 45 | mozilla-firefox-upgrade-82_0 | Oct 21, 2020 | Oct 20, 2020 | |
| Ubuntu | ubuntu-upgrade-firefox | Mar 22, 2023 | Oct 22, 2020 |
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