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5.5

Avast Antivirus crashes when scanning a corrupted file

CVE-2025-7005 · published 4 months ago
Summary

Avast Antivirus, AVG Antivirus, and others may crash when scanning a corrupted Windows file. This could disrupt the protection of your computer. To stay protected, ensure your antivirus software is updated to the latest version.

Original advisory text
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 Anti...
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.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
5.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-674Uncontrolled Recursion
Timeline
Published12 Jun 2026
Updated26 Oct 2026
First seen12 Jun 2026
Sources
CVE-2025-7005 · NVD
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