---
id: CVE-2025-7018
title: >-
  Null pointer dereference vulnerability in Avira Antivirus engine when scanning
  a malformed Windows PE file may allow Denial-of-Service of the antivirus
  engine process.


  This issue affects Avira Antivirus on Windows, macOS, and Linux for …
summary: >-
  Null pointer dereference vulnerability in Avira Antivirus engine when scanning
  a malformed Windows PE file may allow Denial-of-Service of the antivirus
  engine process.


  This issue affects Avira Antivirus on Windows, macOS, and Linux for …
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-476
published: '2026-06-12'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T21:10:00.190'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-7018'
references:
  - url: 'https://www.gendigital.com/us/en/contact-us/security-advisories/'
    label: security@nortonlifelock.com
tags:
  - nvd
epss: 0.00111
epssPercentile: 0.01206
ingestedAt: '2026-09-30T21:25:07.745Z'
---

## Overview

Null pointer dereference vulnerability in Avira Antivirus engine when scanning a malformed Windows PE file may allow Denial-of-Service of the antivirus engine process.

This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.64.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.