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{"bugzilla": {"description": "wireshark: IPPUSB dissector crash", "id": "2025653", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2025653"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["NULL pointer exception in the IPPUSB dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file", "A NULL pointer exception flaw was found in Wireshark. A process failure on crafted or malformed input in the IPPUSB dissector can cause a denial of service via a packet injection or a crafted capture file."], "name": "CVE-2021-39920", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-11-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-39920\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-39920\nhttps://www.wireshark.org/security/wnpa-sec-2021-15.html"], "threat_severity": "Moderate"}