EUVD-2025-210133

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...

EUVD-2025-210128

Heap buffer out-of-bounds read 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 o...

EUVD-2025-210124

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-2025-7006

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...

CVE-2025-7019 Avast antivirus stack overflow when scanning a malformed Office Open XML file

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-2025-7009 Avast antivirus heap buffer OOB read when scanning a malformed PE file

Heap buffer out-of-bounds read 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 o...

CVE-2025-7008 Avast antivirus heap buffer OOB read when scanning a malformed PE file

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-2025-7008 Avast antivirus heap buffer OOB read when scanning a malformed PE file

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-2025-7006 Avast antivirus use of stack memory after free when scanning a malformed PE file

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...

CVE-2025-7004 Avast antivirus heap buffer OOB write when scanning a malformed PE file

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 ...

PT-2026-49012

Name of the Vulnerable Software and Affected Versions Avast Antivirus versions prior to VPS 25022500 AVG Antivirus versions prior to VPS 25022500 Norton Antivirus versions prior to VPS 25022500 Avast One versions prior to VPS 25022500 Avast Business Antivirus versions prior to VPS 25022500...

PT-2026-49019

Name of the Vulnerable Software and Affected Versions Avast Antivirus versions prior to VPS 25020100 AVG Antivirus versions prior to VPS 25020100 Norton Antivirus versions prior to VPS 25020100 Avast One versions prior to VPS 25020100 Avast Business Antivirus versions prior to VPS 25020100...

EUVD-1999-1176

Malware in sbrugna...

Windows Defender Antivirus 4.18.1908.7-0 File Extension Spoofing Vulnerability

David Haintz ======================================================================= title: File Extension Spoofing product: Windows Defender Antivirus vulnerable version: 4.18.1908.7-0 fixed version: Virus Definition Update of 2019/09/30 CVE number: - impact: High homepage:...

Avast vulnerable to directory traversal

Overview Avast contains an issue in processing archive files, which may result in a directory traversal CWE-22 vulnerability. When an archive file such as zip is detected as containing a virus and the included virus file is being moved or deleted, the operation is done to the file path inside the...

CVE-1999-1195

NAI VirusScan NT 4.0.2 does not properly modify the scan.dat virus definition file during an update via FTP, but it reports that the update was successful, which could cause a system administrator to believe that the definitions have been updated correctly...

CVE-1999-1195

CVE-1999-1195 affects NAI VirusScan NT 4.0.2, where updating the virus-definition file (scan.dat) via FTP does not properly modify the file, yet the update is reported as successful. The consequence is that a system administrator could believe the definitions have been updated correctly when they...

CVE-1999-1195

NAI VirusScan NT 4.0.2 does not properly modify the scan.dat virus definition file during an update via FTP, but it reports that the update was successful, which could cause a system administrator to believe that the definitions have been updated correctly...