Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability affects Firefox < 148.0.2.

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Fixes

Solution

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Workaround

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History

Wed, 11 Mar 2026 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox

Tue, 10 Mar 2026 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-346
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 10 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Description Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability affects Firefox < 148.0.2.
Title Same-origin policy bypass in the CSS Parsing and Computation component
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-03-10T17:47:41.548Z

Reserved: 2026-03-09T19:33:22.195Z

Link: CVE-2026-3846

cve-icon Vulnrichment

Updated: 2026-03-10T17:44:03.112Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-10T18:19:05.673

Modified: 2026-03-11T13:53:20.707

Link: CVE-2026-3846

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-11T11:50:04Z

Weaknesses