CVE-2025-7018
Received Received - Intake
Null Pointer Dereference in Avira Antivirus Engine

Publication date: 2026-06-12

Last updated on: 2026-06-12

Assigner: NortonLifeLock Inc.

Description
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.
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Meta Information
Published
2026-06-12
Last Modified
2026-06-12
Generated
2026-06-13
AI Q&A
2026-06-13
EPSS Evaluated
N/A
NVD
CVE-2025-7018
EUVD
EUVD-2025-210132
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
avira antivirus to 8.3.70.64 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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Executive Summary

This vulnerability is a null pointer dereference issue in the Avira Antivirus engine that occurs when scanning a malformed Windows PE (Portable Executable) file.

When triggered, it may cause the antivirus engine process to crash, resulting in a Denial-of-Service (DoS) condition.

Impact Analysis

The vulnerability can cause the Avira Antivirus engine process to crash when it encounters a specially crafted malformed Windows PE file.

This leads to a Denial-of-Service condition, potentially leaving your system unprotected while the antivirus engine is not running.

Mitigation Strategies

To mitigate this vulnerability, update the Avira Antivirus engine to version 8.3.70.64 or later on all affected platforms including Windows, macOS, and Linux.

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