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CVE-2025-10101

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CVE-2025-10101

Published: Dec 1, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

8.1

HIGH

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.

VendorProductVersions

Avast

Antivirus

affected
15.7 - < 3.9.2025

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

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