Security Advisory
CVE-2025-8351
7.8
HIGH
Vulnerability Description
Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avira Antivirus engine when scanning a malformed 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 8.3.70.98.
Published Date
December 1, 2025
Official Source
NIST NVD Advisory