{"id":"CVE-2023-3107","aliases":["EUVD-2023-43794","GHSA-cx46-mm2w-4mwv"],"status":"published","title":"Remote denial of service in IPv6 fragment reassembly","description":"A set of carefully crafted ipv6 packets can trigger an integer overflow in the calculation of a fragment reassembled packet's payload length field. This allows an attacker to trigger a kernel panic, resulting in a denial of service.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00645,"percentile":0.51224,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2023-08-01T22:01:07Z","modified":"2026-06-17T06:13:22Z","products":[{"vendor":"freebsd","product":"freebsd"},{"vendor":"netapp","product":"clustered_data_ontap"}],"references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-23:06.ipv6.asc","tags":["vendor-advisory","x_transferred","Mitigation","Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20230804-0001/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3107"},{"url":"https://security.netapp.com/advisory/ntap-20230804-0001"},{"url":"https://github.com/advisories/GHSA-cx46-mm2w-4mwv"}],"sources":{"cve":[{"id":"CVE-2023-3107","title":"Remote denial of service in IPv6 fragment reassembly","description":"A set of carefully crafted ipv6 packets can trigger an integer overflow in the calculation of a fragment reassembled packet's payload length field. This allows an attacker to trigger a kernel panic, resulting in a denial of service.","status":"published","published":"2023-08-01T22:01:07.584Z","modified":"2025-07-09T13:45:34.79Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:35:24.707957Z"}],"euvd":[{"id":"EUVD-2023-43794","description":"A set of carefully crafted ipv6 packets can trigger an integer overflow in the calculation of a fragment reassembled packet's payload length field. This allows an attacker to trigger a kernel panic, resulting in a denial of service.","status":"published","published":"2023-08-01T22:01:07Z","modified":"2025-07-09T13:45:34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:10.524333Z"}],"ghsa":[{"id":"GHSA-cx46-mm2w-4mwv","title":"A set of carefully crafted ipv6 packets can trigger an integer overflow in the calculation of a...","description":"A set of carefully crafted ipv6 packets can trigger an integer overflow in the calculation of a fragment reassembled packet's payload length field. This allows an attacker to trigger a kernel panic, resulting in a denial of service.","status":"published","published":"2023-08-02T00:30:39Z","modified":"2025-02-13T18:32:47Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:59:55.900946Z"}],"nvd":[{"id":"CVE-2023-3107","description":"A set of carefully crafted ipv6 packets can trigger an integer overflow in the calculation of a fragment reassembled packet's payload length field. This allows an attacker to trigger a kernel panic, resulting in a denial of service.","status":"published","published":"2023-08-01T23:15:30.58Z","modified":"2026-06-17T06:13:22.347Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:08:18.687088Z"}]}}