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CVE-2025-8351
Published: Dec 1, 2025
Modified: Dec 1, 2025
PUBLISHED
CVSS v3.1
9.0
CRITICAL
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.
| Vendor | Product | Versions |
|---|---|---|
Avast | Antivirus | affected 8.3.70.94 - < 8.3.70.98 |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
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