PT-2026-49046 · Avira · Avira Antivir

CVE-2025-14098

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Published

2026-06-12

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Updated

2026-06-13

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Avira Antivirus versions prior to 8.3.70.104
Description A heap buffer out-of-bounds write occurs due to an integer overflow in the antivirus engine when scanning a malformed MS-DOS executable file. This can lead to local execution of code or a denial-of-service of the engine process.
Recommendations Update to version 8.3.70.104 or later.

Fix

DoS

Memory Corruption

Integer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2025-14098

Affected Products

Avira Antivir