PT-2026-91977 · Mozilla · Thunderbird+2
CVSS v3.1
9.1
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 156
Firefox ESR versions prior to 153.3
Thunderbird versions prior to 156
Thunderbird versions prior to 153.3
Description
A mitigation bypass exists within the DOM: Networking component. The Document Object Model (DOM) is a programming interface for web documents that represents the page so that programs can change the document structure, style, and content.
Recommendations
Update Firefox to version 156.
Update Firefox ESR to version 153.3.
Update Thunderbird to version 156.
Update Thunderbird to version 153.3.
Fix
Protection Mechanism Failure
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Weakness Enumeration
Related Identifiers
Affected Products
Firefox
Firefox Esr
Thunderbird