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.

Project Subscriptions

No data.

Advisories

No advisories yet.

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

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: 2026-06-12T22:16:01.317Z

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

Link: CVE-2025-14098

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2025-14098

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-13T00:30:10Z

Weaknesses