Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. 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 < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
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 | — | Upgrade thunderbirdUpgrade firefox | Aug 22, 2024 | Dec 8, 2021 |
| Centos_linux | — | Upgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade firefoxUpgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debugsource | Feb 28, 2022 | Dec 8, 2021 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Dec 30, 2021 | Dec 8, 2021 |
| Mfsa2021 48 | — | Upgrade to Mozilla Firefox version 94.0Upgrade to the latest version of Mozilla Firefox | Dec 8, 2021 | Nov 2, 2021 |
| Mfsa2021 49 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 91.3 | Dec 8, 2021 | Nov 2, 2021 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 91.3Upgrade to the latest version of Mozilla Thunderbird | Dec 8, 2021 | Nov 3, 2021 |
| Redhat_linux | — | Upgrade firefox-debugsourceUpgrade thunderbirdNo solution existsUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefox | Feb 28, 2022 | Dec 8, 2021 |
| Rocky_linux | — | Upgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade firefoxUpgrade thunderbird | Mar 12, 2024 | Dec 8, 2021 |
| Ubuntu | — | Upgrade thunderbird | Jan 22, 2022 | Dec 8, 2021 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub