Denial-of-service in the DOM: Service Workers component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade firefoxUpgrade thunderbird | Jan 27, 2026 | Jan 15, 2026 |
| Mfsa2026 01 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 147.0 | Jan 14, 2026 | Jan 13, 2026 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 147.0Upgrade to the latest version of Mozilla Thunderbird | Jan 16, 2026 | Jan 13, 2026 |
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