Description

Use-after-free in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

INFO

Published Date :

2025-12-09T13:37:53.872Z

Last Modified :

2026-04-13T14:25:27.309Z

Source :

mozilla
AFFECTED PRODUCTS

The following products are affected by CVE-2025-14321 vulnerability.

Vendors Products
Mozilla
  • Firefox
  • Firefox Esr
  • Thunderbird
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-14321.

URL Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1992760 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-14321 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-14321 cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-92/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-94/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-94/#CVE-2025-14321 cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-95/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-96/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact