What’s Vulnerable › Vulnerabilities
CVE-2025-7017: Avira antivirus engine heap buffer OOB read when scanning a malformed Windows MSI file
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-12 · updated 2026-10-07
- Weakness: CWE-125
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.
Affected products
- Gen Digital Avira Antivirus: before 8.3.70.56 — fixed in 8.3.70.56
How to fix
Upgrade to a fixed version: Gen Digital Avira Antivirus 8.3.70.56. Check the vendor advisory for mitigations.
References
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