PT-2026-49017 · Avira · Avira Antivir

CVE-2025-7017 · Published 2026-06-12 · Updated 2026-06-13

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV: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 8.3.70.56

Description A heap buffer out-of-bounds read occurs in the antivirus engine when scanning a malformed Windows MSI file. This issue may lead to local execution of code or a denial-of-service of the antivirus engine process.

Recommendations Update to engine build 8.3.70.56 or later.

Fix

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2025-7017

Affected Products

Avira Antivir

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2025-7017 · Security Note
• https://gendigital.com/us/en/contact-us/security-advisories · Note
• https://twitter.com/CVEnew/status/2065840885158326439 · Twitter Post