CVE-2025-14861

HIGH

Firefox < 146.0.1 - Memory Corruption

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 8.8
EPSS 0.0004
EPSS Percentile 11.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-119
Status published
Products (2)
mozilla/firefox < 146.0.1
Mozilla/Firefox 146.0.1
Published Dec 18, 2025
Tracked Since Feb 18, 2026