CVE-2025-8351
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-12-01
Last updated on: 2025-12-01
Assigner: NortonLifeLock Inc.
Description
Description
Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avast Antivirus on MacOS when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the anitvirus engine process.This issue affects Antivirus: from 8.3.70.94 before 8.3.70.98.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| nortonlifelock | avast_antivirus | 8.3.70.94 |
| nortonlifelock | avast_antivirus | 8.3.70.98 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a heap-based buffer overflow and out-of-bounds read in Avast Antivirus on MacOS. It occurs when the antivirus scans a malformed file, which may allow an attacker to execute code locally or cause a denial-of-service by crashing the antivirus engine process.
How can this vulnerability impact me? :
The vulnerability can impact you by allowing an attacker to execute arbitrary code on your MacOS system locally or cause the antivirus engine to crash, resulting in denial-of-service. This could compromise the security and stability of your system.
Ask Our AI Assistant
Need more information? Ask your question to get an AI reply (Powered by our expertise)
0/70