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VULNERABILITIES

CVE-2025-13020 Details

Description

Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=1995686 [email protected]Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-87/ [email protected]Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-88/ [email protected]Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-90/ [email protected]
https://www.mozilla.org/security/advisories/mfsa2025-91/ [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-416Use After FreeCISA-ADP

Affected Products

ProductVersions
mozilla firefox
< 140.5.0
< 145.0

CPE

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2025-13020
NVD Published Date:
Nov 11, 2025
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2025-13020 Details - Not Deferred