CVE-2025-7005: Avast antivirus infinite recursion when scanning a malformed PE file
Uncontrolled recursion vulnerability in Avast Antivirus when scanning a malformed Windows PE file may allow 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 25031700.
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Gen Digital virus definition update streamto a version that resolves this vulnerability.Patch VPS 25031700
Event History
Frequently Asked Questions
What is the severity of CVE-2025-7005?
The severity of CVE-2025-7005 is classified as medium with a score of 5.5.
What is CVE-2025-7005 about?
CVE-2025-7005 is an uncontrolled recursion vulnerability in Avast Antivirus that can lead to a Denial-of-Service condition when scanning a malformed PE file.
How do I fix CVE-2025-7005?
To fix CVE-2025-7005, install virus definitions VPS 25031700 or any later update.
Which software is affected by CVE-2025-7005?
CVE-2025-7005 affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus.
On which operating systems does CVE-2025-7005 impact users?
CVE-2025-7005 impacts users on Windows, macOS, and Linux operating systems.