{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-6676/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-12T22:16:27.745Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-6676","@id":"https://www.cve.org/CVERecord?id=CVE-2026-6676","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.\n\nThis issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.27.12."},"products":[{"@id":"cpe:2.3:a:gen_digital:avira_antivirus:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:gen_digital:avira_antivirus:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 8.3.27.12.","timestamp":"2026-06-12T22:16:27.745Z"}]}