CVE-2025-8351
HIGH EPSS 3.2%
Published Dec 1, 20257mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
Published Dec 1, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
3.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 2
CWE-122
CWE-125 Out-of-bounds Read Memory Safety
References 1
- gendigital.com https://www.gendigital.com/us/en/contact-us/security-advisories/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.