CVE-2026-6676
HIGH SEVERITYCVSS Score & Metrics
Base Score
7.8 / 10
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vulnerability 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.
This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.27.12.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-787
Source
NVD
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