Mozilla developers reported memory safety bugs present in Firefox 80. 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 < 81.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 1, 2020 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Oct 1, 2020 | |
| Mfsa2020 42 | mozilla-firefox-upgrade-81_0 | Sep 23, 2020 | Sep 22, 2020 | |
| Redhat_linux | — | no-fix-redhat-rpm-package | Jul 9, 2025 | Oct 1, 2020 |
| Ubuntu | ubuntu-upgrade-firefox | Sep 29, 2020 | Sep 28, 2020 |
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