CVE-2025-8351 (GCVE-0-2025-8351)
Vulnerability from cvelistv5 – Published: 2025-12-01 15:51 – Updated: 2026-06-12 22:32
VLAI
EPSS
VEX
Title
Avira antivirus engine heap buffer OOB read when scanning a malformed file
Summary
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.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-01 15:57 UTC
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Gen Digital | Avira Antivirus |
Affected:
0 , < 8.3.70.98
(custom)
|
guessed |
Date Public
2025-06-25 08:25
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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