CVE-2025-7017
High
Description
Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed Windows MSI file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.56.
SeverityHigh
CVSS7.8
Exploit probability—
ProductAvira Antivirus
PublishedJun 12, 2026
First seenJun 12, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- Gen Digital Avira Antivirus8.3.70.56 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Gen Digital Avira Antivirus | v < 8.3.70.56 | 8.3.70.56 |
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