CVE-2025-7018 Avira antivirus engine null pointer dereference when scanning a malformed PE file
Attackers can cause a denial of service in the Avira Antivirus engine by submitting a malformed Windows PE file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-7018?
CVE-2025-7018 is a medium-severity vulnerability in Gen Digital Avira Antivirus, published on 12 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-476
Which versions are affected by CVE-2025-7018?
How do I fix CVE-2025-7018?
No fix has been published for CVE-2025-7018 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-7018 being exploited?
There is no known exploitation of CVE-2025-7018 in the wild and no public exploit code.
Sources
Also known as GHSA-6x27-frwr-pw8h.