Description (CNA)
Heap buffer out-of-bounds write vulnerability in Avast Antivirus when scanning a malformed Windows PE file 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 25040308. 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 (CNA)
| Vendor / product | Versions |
|---|---|
| Gen Digital / Avast Antivirus | affected 0 before 25040308 |
| Gen Digital / AVG Antivirus | affected 0 before 25040308 |
| Gen Digital / Norton Antivirus | affected 0 before 25040308 |
| Gen Digital / Avast One | affected 0 before 25040308 |
| Gen Digital / Avast Business Antivirus | affected 0 before 25040308 |
CWE
CWE-787
References
ADP enrichment
No English description supplied.
No references supplied.