PT-2026-49014 · Ge Digital · Avg Antivirus+4

Published 2026-06-12 · Updated 2026-06-12 · CVE-2025-7009

NVD

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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 on Windows, macOS, and Linux for virus definition builds before VPS 25021310.

The affected scanning logic is delivered through a shared Gen Digital virus definition update stream. The same stream feeds the consumer antivirus products listed in this advisory and other Gen Digital products that embed the same engine. Mitigation flows through this update channel; installations at or above the listed build are not vulnerable regardless of which product consumes the stream.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2025-7009

Affected Products

Avg Antivirus

Avast Antivirus

Avast Business Antivirus

Avast One

Norton Antivirus

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2025-7009 · Security Note
• https://gendigital.com/us/en/contact-us/security-advisories · Note