Memory safety bugs present in Firefox 145 and Thunderbird 145. 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 was fixed in Firefox 146 and Thunderbird 146.
CVSS Details
- CVSS 3.1 Base Score: 7.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade firefoxUpgrade thunderbird | Jan 27, 2026 | Dec 11, 2025 |
| Mfsa2025 92 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 146.0 | Dec 10, 2025 | Dec 9, 2025 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 146.0 | Dec 11, 2025 | Dec 9, 2025 |
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