CVE-2025-10101
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 Write vulnerability in Avast Antivirus on MacOS of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection.
This issue affects Antivirus: from 15.7 before 3.9.2025.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| avast | antivirus | * |
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-787 | The product writes 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 write in Avast Antivirus on MacOS when processing a specially crafted Mach-O file. It may allow a local attacker to execute code or cause a denial of service, affecting the antivirus protection.
How can this vulnerability impact me? :
The vulnerability can lead to local execution of arbitrary code or denial of service, which means an attacker could potentially bypass antivirus protection or crash the antivirus software, leaving the system vulnerable to other threats.
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