Heap buffer out-of-bounds write vulnerability due to integer overflow in Avira Antivirus engine when scanning a malformed MS-DOS executable 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 8.3.70.104.

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Advisories

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Fixes

Solution

Upgrade to Avira scan engine build 8.3.70.104 or any later engine release. Builds at or above 8.3.70.104 include the fix.


Workaround

No workaround given by the vendor.

History

Mon, 15 Jun 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sat, 13 Jun 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Gen Digital
Gen Digital avira Antivirus
Vendors & Products Gen Digital
Gen Digital avira Antivirus

Fri, 12 Jun 2026 23:00:00 +0000

Type Values Removed Values Added
Description Heap buffer out-of-bounds write vulnerability due to integer overflow in Avira Antivirus engine when scanning a malformed MS-DOS executable 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 8.3.70.104.
Title Avira antivirus engine heap buffer OOB write when scanning a malformed MS-DOS executable file
Weaknesses CWE-190
CWE-787
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GEN

Published:

Updated: 2026-06-15T18:09:10.360Z

Reserved: 2025-12-05T10:54:10.986Z

Link: CVE-2025-14098

cve-icon Vulnrichment

Updated: 2026-06-15T18:09:05.728Z

cve-icon NVD

Status : Deferred

Published: 2026-06-12T23:16:27.350

Modified: 2026-06-15T20:49:19.213

Link: CVE-2025-14098

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-13T12:29:18Z

Weaknesses