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TI-2025-06370 Aliases CVE-2025-7003GHSA-98r3-fv2h-4h72

Avira antivirus engine heap buffer OOB read when scanning a malformed PDF file (variant 1)

Priority LOW 35CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed PDF 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 8.3.70.56.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00131 2nd percentileScored 2026-11-07
Fix Fixed Avira Antivirus (Gen Digital): 8.3.70.56

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Gen DigitalAvira Antivirusbefore 8.3.70.568.3.70.56Patch availableCNA
  • Avira Antivirus VendorGen Digital Affected before 8.3.70.56 Fixed in 8.3.70.56 Patch available CNA

Remediation

  • Fix · CNA Avira Antivirus (Gen Digital) Fixed in 8.3.70.56

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Gen Digital Avira Antivirus 8.3.70.56

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2025-06384 Avira antivirus engine heap buffer OOB read when scanning a malformed Windows MSI filePriority LOW 35
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-7003
  2. 2026-10-03 Alias added: GHSA-98r3-fv2h-4h72

References

Other 1

  • TI-2026-57223 Avast sandbox privilege escalation via unpreserved DACLs on virtualized files in aswSnx.sys CVSS 3.1HIGH 8.8
  • TI-2026-22110 Avira Internet Security Optimizer TOCTOU CVSS 3.1HIGH 7.8
  • TI-2026-22109 Avira Internet Security System Speedup Insecure Deserialization CVSS 3.1HIGH 7.8
  • TI-2026-22108 Avira Internet Security Arbitrary File Deletion via Improper Link Resolution CVSS 3.1HIGH 7.8
  • TI-2015-06072 Use-after-free vulnerability in the Update Manager service in Avira Management Console… CVSS 2.0HIGH 10.0
  • TI-2023-18488 An issue was discovered in Avira Phantom VPN through 2.23.1 for macOS. CVSS 3.1HIGH 7.3
See all 69 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences