EUVD-2025-210126

Use of stack memory after free vulnerability in Avast Antivirus when scanning a malformed Windows PE file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux...

EUVD-2025-210125

Uncontrolled recursion vulnerability in Avast Antivirus when scanning a malformed Windows PE file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux for vir...

EUVD-2025-210129

Stack overflow vulnerability due to uncontrolled recursion in Avast Antivirus when scanning a malformed PDF file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, an...

CVE-2025-7019

Stack overflow vulnerability in Avast Antivirus when scanning a malformed Office Open XML file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux for virus...

CVE-2025-7010

Stack overflow vulnerability due to uncontrolled recursion in Avast Antivirus when scanning a malformed PDF file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, an...

CVE-2025-7011

Heap out-of-bounds read vulnerability in Avast Antivirus when scanning a malformed zip file containing XML may allow Local Execution of Code or Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus ...

CVE-2025-7008

Heap buffer out-of-bounds read vulnerability in Avast Antivirus when scanning a malformed Windows PE file with .NET metadata may allow Local Execution of Code or Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast...

CVE-2025-7004

Heap buffer out-of-bounds write vulnerability in Avast Antivirus when scanning a malformed Windows PE file may allow Local Execution of Code or Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus ...

CVE-2025-7010 Avast antivirus stack overflow when scanning a malformed PDF file

Stack overflow vulnerability due to uncontrolled recursion in Avast Antivirus when scanning a malformed PDF file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, an...

CVE-2025-7010

CVE-2025-7010 describes a stack overflow vulnerability (uncontrolled recursion) in Avast’s scanning engine when processing a malformed PDF, leading to Denial‑of‑Service of the antivirus process. Affected products include Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Busin...

CVE-2025-7009

The CVE-2025-7009 issue is a heap buffer out-of-bounds read in the Avast/Gen Digital scanning engine when processing malformed Windows PE files. Affected products include Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux, for vi...

CVE-2025-7008

CVE-2025-7008 describes a heap buffer out-of-bounds read in Gen Digital antivirus engines ( Avast Antivirus, AVG, Norton, Avast One/Business) when scanning malformed Windows PE files containing .NET metadata. Root cause: heap OOB read in the scanning logic when processing such PE files; impact in...

CVE-2025-7005 Avast antivirus infinite recursion when scanning a malformed PE file

Uncontrolled recursion vulnerability in Avast Antivirus when scanning a malformed Windows PE file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux for vir...

CVE-2025-7005 Avast antivirus infinite recursion when scanning a malformed PE file

Uncontrolled recursion vulnerability in Avast Antivirus when scanning a malformed Windows PE file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux for vir...

PT-2026-49016

Name of the Vulnerable Software and Affected Versions Avast Antivirus versions 25020100 through 25021207 AVG Antivirus versions 25020100 through 25021207 Norton Antivirus versions 25020100 through 25021207 Avast One versions 25020100 through 25021207 Avast Business Antivirus versions 25020100...

PT-2026-49015

Name of the Vulnerable Software and Affected Versions Avast Antivirus versions prior to VPS 25021208 AVG Antivirus versions prior to VPS 25021208 Norton Antivirus versions prior to VPS 25021208 Avast One versions prior to VPS 25021208 Avast Business Antivirus versions prior to VPS 25021208...

PT-2026-49014

Name of the Vulnerable Software and Affected Versions Avast Antivirus versions prior to VPS 25021310 AVG Antivirus versions prior to VPS 25021310 Norton Antivirus versions prior to VPS 25021310 Avast One versions prior to VPS 25021310 Avast Business Antivirus versions prior to VPS 25021310...

PT-2023-2508 · Avg +1 · Avg Antivirus +1

Name of the Vulnerable Software and Affected Versions: Avast Antivirus versions prior to 22.11 AVG Antivirus versions prior to 22.11 Description: The issue is related to a Time-of-check/Time-of-use TOCTOU vulnerability in the Quarantine process, which can lead to arbitrary file or directory...

Microsoft Windows Defender AV: Number of days before virus definitions are outdated

This test checks the setting for policy OpenVAS Vulnerability Test $Id: defavdaysbeforevirusoutdated.nasl 11495 2018-09-20 10:06:25Z emoss $ Check value for Windows Defender AV: Define the number of days before virus definitions are considered out of date Authors: Emanuel Moss Copyright: Copyrigh...

Avast Antivirus Path Traversal Vulnerability

The remote Windows host is running Avast Antivirus with a virus definition prior to version 150918-0. It is, therefore, affected by a path traversal vulnerability that occurs when processing ZIP archives. An unauthenticated, remote attacker can exploit this, via a crafted ZIP archive, to delete o...