CVE-2025-8351

EUVD-2025-200023
Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avast Antivirus on MacOS when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the anitvirus engine process.This issue affects Antivirus: from 8.3.70.94 before 8.3.70.98.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NLOKCNA
9 CRITICAL
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
avastantivirus
8.3.70.94 ≤
𝑥
< 8.3.70.98
CNA
Common Weakness Enumeration
References
https://www.gendigital.com/us/en/contact-us/security-advisories/