CVE-2026-6676

Published: Jun 12, 2026Modified: Jun 12, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: security@nortonlifelock.com (Secondary)

Description

Heap buffer out-of-bounds write vulnerability in Avira Antivirus engine when scanning a malformed POSIX tar archive 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 8.3.27.12.

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (1)

https://www.gendigital.com/us/en/contact-us/security-advisories/

Source: security@nortonlifelock.com

Timeline

No history available yet.