VULNERABILITY INTELLIGENCE

CVE-2025-8351

CVSS score7.8 HIGH
EPSS probability0.18%
CISA KEVNot currently listed
Published2025-12-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • security@nortonlifelock.com: CWE-122

Primary references