Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

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History

Tue, 27 Oct 2026 18:45:00 +0000

Type Values Removed Values Added
Description Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, and Thunderbird 159. Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.
References

Tue, 27 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Description Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6. Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, and Thunderbird 159.
References

Tue, 27 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284

Tue, 27 Oct 2026 17:00:00 +0000

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

Tue, 27 Oct 2026 14:15:00 +0000

Type Values Removed Values Added
Description Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
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: 2026-10-27T18:29:09.421Z

Reserved: 2026-10-27T14:05:28.548Z

Link: CVE-2026-117928

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-27T14:16:48.433

Modified: 2026-10-27T19:17:18.483

Link: CVE-2026-117928

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-27T17:30:08Z

Weaknesses