PT-2026-49050 · Avira · Avira Antivir
CVE-2026-6676
·
Published
2026-06-12
·
Updated
2026-06-13
CVSS v3.1
7.8
High
| 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 8.3.27.12
Description
A heap buffer out-of-bounds write occurs in the Avira Antivirus engine when scanning a malformed POSIX tar archive. This flaw may allow local execution of code or a denial-of-service of the antivirus engine process.
Recommendations
Update to engine build 8.3.27.12 or later.
Fix
DoS
Memory Corruption
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Avira Antivir