This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.27.12.
No advisories yet.
Solution
Upgrade to Avira scan engine build 8.3.27.12 or any later engine release. Builds at or above 8.3.27.12 include the fix.
Workaround
No workaround given by the vendor.
Mon, 15 Jun 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Sat, 13 Jun 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Gen Digital
Gen Digital avira Antivirus |
|
| Vendors & Products |
Gen Digital
Gen Digital avira Antivirus |
Fri, 12 Jun 2026 23:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Avira antivirus engine heap buffer OOB write when scanning a malformed POSIX tar archive | |
| Weaknesses | CWE-787 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: GEN
Published:
Updated: 2026-06-15T18:01:27.224Z
Reserved: 2026-04-20T14:46:06.355Z
Link: CVE-2026-6676
Updated: 2026-06-15T17:46:22.244Z
Status : Deferred
Published: 2026-06-12T23:16:45.007
Modified: 2026-06-15T20:49:19.213
Link: CVE-2026-6676
No data.
OpenCVE Enrichment
Updated: 2026-06-13T12:29:17Z