PT-2026-61894 · Mozilla · Firefox+1
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 153
Thunderbird versions prior to 153
Description
A mitigation bypass exists within the DOM: Service Workers component. Service Workers are scripts that the browser runs in the background, separate from a web page, enabling features such as push notifications and offline access.
Recommendations
Update Firefox to version 153.
Update Thunderbird to version 153.
Fix
Protection Mechanism Failure
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Weakness Enumeration
Related Identifiers
Affected Products
Firefox
Thunderbird