Avira antivirus engine null pointer dereference when scanning a malformed PE file
CVE-2025-7018

5.5MEDIUM

Key Information:

Vendor
CVE Published:
12 June 2026

What is CVE-2025-7018?

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.

Affected Version(s)

Avira Antivirus Windows 0

References

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mike Zhang, an independent security researcher
.