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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-6676

Avira antivirus engine heap buffer OOB write when scanning a malformed POSIX tar archive

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Status
Published
Published
Updated
Assigning organization
GEN

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Gen Digital Avira Antivirus

Default version status: affected

  • 0 to < 8.3.27.12affected

References