CVE-2025-7008: Avast antivirus heap buffer OOB read when scanning a malformed PE file
Heap buffer out-of-bounds read vulnerability in Avast Antivirus when scanning a malformed Windows PE file with .NET metadata may allow Local Execution of Code or 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 25021310.
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 25021310 - Operational
Install virus definitions VPS 25021310 or any later virus-definition update on affected products (Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, Avast Business Antivirus). Ensure virus definitions remain current (stay at or above VPS 25021310).
Event History
Frequently Asked Questions
What is the severity of CVE-2025-7008?
CVE-2025-7008 has a high severity rating of 7.8.
How do I fix CVE-2025-7008?
To fix CVE-2025-7008, install virus definitions VPS 25021310 or any later virus-definition update.
What software is affected by CVE-2025-7008?
CVE-2025-7008 affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus.
What is the risk of exploiting CVE-2025-7008?
Exploiting CVE-2025-7008 may allow local execution of code or result in a denial-of-service condition for the antivirus process.
What type of vulnerability is CVE-2025-7008?
CVE-2025-7008 is a heap buffer out-of-bounds read vulnerability.