CVE-2026-6676

{"id": "CVE-2026-6676", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security@nortonlifelock.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2026-06-12T23:16:45.007", "references": [{"url": "https://www.gendigital.com/us/en/contact-us/security-advisories/", "source": "security@nortonlifelock.com"}], "vulnStatus": "Received", "weaknesses": [{"type": "Secondary", "source": "security@nortonlifelock.com", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-06-12T23:16:45.007", "sourceIdentifier": "security@nortonlifelock.com"}