CVE-2025-14861

HIGH

8.8

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 was fixed in Firefox 146.0.1.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published12/18/2025

Last Modified4/13/2026

Sourcenvd

Honeypot Sightings0

Affected Products

mozilla:firefox

Weaknesses (CWE)

CWE-119

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1996570%2C1999700(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2025-98/(security@mozilla.org)

IOC Correlations

No correlations recorded

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