Mozilla developers and community members reported memory safety bugs present in Firefox 64. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 65.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.0 Vector: (CVSS:3.0/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 |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Feb 5, 2019 |
| Freebsd | — | Upgrade linux-thunderbirdUpgrade libxulUpgrade seamonkeyUpgrade linux-firefoxUpgrade thunderbirdUpgrade linux-seamonkeyUpgrade firefox-esrUpgrade firefoxUpgrade waterfox | Jan 30, 2019 | Jan 29, 2019 |
| Mfsa2019 01 | — | Upgrade to Mozilla Firefox version 65.0Upgrade to the latest version of Mozilla Firefox | Jan 30, 2019 | Jan 29, 2019 |
| Ubuntu | — | Upgrade firefox | Feb 5, 2019 | Jan 29, 2019 |
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