CVE-2025-8351CRITICAL 7.8EPSS p3.1%

CVE-2025-8351CVE-2025-8351

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.

Scoring

CVSS 3.17.8 (CRITICAL)
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS0.13% probability of exploitation · percentile 3.1% · 2026-06-19T12:03:05Z
Published2025-12-01
Last modified2026-06-12

Underlying weaknesses· 2

CWE-122CWE-125

References

  1. https://www.gendigital.com/us/en/contact-us/security-advisories/

2

TypeTargetConfidenceTier
WeaknessHeap-based Buffer Overflowcwe-1220%live
WeaknessOut-of-bounds Readcwe-1250%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.