CVE-2025-7010: Avast antivirus stack overflow when scanning a malformed PDF file
Stack overflow vulnerability due to uncontrolled recursion in Avast Antivirus when scanning a malformed PDF 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 25021208.
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 25021208 - Operational
Install virus definitions VPS 25021208 or any later virus-definition update. Stay current on virus-definition updates for the Gen Digital stream so installations remain at or above VPS 25021208 (applies to Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux).
Event History
Frequently Asked Questions
What is the severity of CVE-2025-7010?
CVE-2025-7010 has a medium severity rating of 5.5.
What does CVE-2025-7010 affect?
CVE-2025-7010 affects Gen Digital products including Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus.
How do I fix CVE-2025-7010?
To fix CVE-2025-7010, install virus definitions VPS 25021208 or any later update.
What is the risk associated with CVE-2025-7010?
The risk associated with CVE-2025-7010 is a Denial-of-Service to the antivirus process due to a stack overflow.
On which operating systems does CVE-2025-7010 occur?
CVE-2025-7010 occurs on Windows, macOS, and Linux operating systems.