CVE-2025-14861
Memory Corruption in Firefox <146.0.1 Enables Code Execution
Publication date: 2025-12-18
Last updated on: 2026-04-13
Assigner: Mozilla Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | <146.0.1> |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves memory safety bugs in Firefox versions before 146.0.1. Some of these bugs showed evidence of memory corruption, which means that attackers could potentially exploit them to run arbitrary code on the affected system.
How can this vulnerability impact me? :
If exploited, this vulnerability could allow an attacker to execute arbitrary code on your system through Firefox, potentially leading to unauthorized actions, data theft, or system compromise.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update Firefox to version 146.0.1 or later, as the vulnerability affects Firefox versions prior to 146.0.1.