CVE-2025-14331 - CVE House
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Status published Unknown CVE-2025-14331

Same-origin policy bypass in the Request Handling component

Vulnerability Description

Same-origin policy bypass in the Request Handling component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Igor Morgenstern

References

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Affected Vendor

Affected Software

Firefox, Thunderbird
Vulnerable Versions:
115.31, 140.6, 146

Timeline

Official Publish: December 9th, 2025
Last Modified: April 13th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.