Memory safety bugs present in Firefox 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 146.0.1.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 31 Dec 2025 05:15:00 +0900

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

Fri, 19 Dec 2025 18:30:00 +0900

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

Fri, 19 Dec 2025 01:15:00 +0900

Type Values Removed Values Added
Weaknesses CWE-119
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

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


Thu, 18 Dec 2025 23:30:00 +0900

Type Values Removed Values Added
Description Memory safety bugs present in Firefox 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 146.0.1.
Title Memory safety bugs fixed in Firefox 146.0.1
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2025-12-20T04:56:38.874Z

Reserved: 2025-12-18T00:22:11.950Z

Link: CVE-2025-14861

cve-icon Vulnrichment

Updated: 2025-12-18T15:39:20.216Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-18T15:15:53.157

Modified: 2025-12-30T20:05:07.467

Link: CVE-2025-14861

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-19T18:16:11Z

Weaknesses