{"id":"CVE-2019-16411","aliases":["DEBIAN-CVE-2019-16411","EUVD-2019-7153","GHSA-wrwg-3wxg-wppx","UBUNTU-CVE-2019-16411"],"status":"published","title":"An issue was discovered in Suricata 4.1.4. By sending multiple IPv4 packets that have invalid...","description":"An issue was discovered in Suricata 4.1.4. By sending multiple IPv4 packets that have invalid IPv4Options, the function IPV4OptValidateTimestamp in decode-ipv4.c tries to access a memory region that is not allocated. There is a check for o-\u003elen \u003c 5 (corresponding to 2 bytes of header and 3 bytes of data). Then, \"flag = *(o-\u003edata + 3)\" places one beyond the 3 bytes, because the code should have been \"flag = *(o-\u003edata + 1)\" instead.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02027,"percentile":0.81161,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2019-09-24T19:20:58Z","modified":"2026-10-24T10:30:50Z","fixes":[{"ecosystem":"Debian:13","package":"suricata","fixed_in":["1:4.1.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"suricata","fixed_in":["1:4.1.5-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.1.5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.1.5-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.8-1build1","2.0.9-1","2.0.10-1","2.0.10-2","2.0.11-1","3.0-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2-2ubuntu3"]}],"products":[{"vendor":"suricata-ids","product":"suricata"}],"references":[{"url":"https://lists.openinfosecfoundation.org/pipermail/oisf-announce/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://suricata-ids.org/2019/09/24/suricata-4-1-5-released/","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory","report"]},{"url":"https://www.code-intelligence.com/cve-2019-16411","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16411"},{"url":"https://lists.openinfosecfoundation.org/pipermail/oisf-announce"},{"url":"https://suricata-ids.org/2019/09/24/suricata-4-1-5-released"},{"url":"https://github.com/advisories/GHSA-wrwg-3wxg-wppx"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-16411","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-16411","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-16411","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-16411","description":"An issue was discovered in Suricata 4.1.4. By sending multiple IPv4 packets that have invalid IPv4Options, the function IPV4OptValidateTimestamp in decode-ipv4.c tries to access a memory region that is not allocated. There is a check for o-\u003elen \u003c 5 (corresponding to 2 bytes of header and 3 bytes of data). Then, \"flag = *(o-\u003edata + 3)\" places one beyond the 3 bytes, because the code should have been \"flag = *(o-\u003edata + 1)\" instead.","status":"published","published":"2019-09-24T19:20:58Z","modified":"2024-08-05T01:17:39.591Z","updated_at":"2026-11-02T14:32:23.189113Z"}],"euvd":[{"id":"EUVD-2019-7153","description":"An issue was discovered in Suricata 4.1.4. By sending multiple IPv4 packets that have invalid IPv4Options, the function IPV4OptValidateTimestamp in decode-ipv4.c tries to access a memory region that is not allocated. There is a check for o-\u003elen \u003c 5 (corresponding to 2 bytes of header and 3 bytes of data). Then, \"flag = *(o-\u003edata + 3)\" places one beyond the 3 bytes, because the code should have been \"flag = *(o-\u003edata + 1)\" instead.","status":"published","published":"2019-09-24T19:20:58Z","modified":"2024-08-05T01:17:39Z","updated_at":"2026-11-03T02:40:32.752495Z"}],"ghsa":[{"id":"GHSA-wrwg-3wxg-wppx","title":"An issue was discovered in Suricata 4.1.4. By sending multiple IPv4 packets that have invalid...","description":"An issue was discovered in Suricata 4.1.4. By sending multiple IPv4 packets that have invalid IPv4Options, the function IPV4OptValidateTimestamp in decode-ipv4.c tries to access a memory region that is not allocated. There is a check for o-\u003elen \u003c 5 (corresponding to 2 bytes of header and 3 bytes of data). Then, \"flag = *(o-\u003edata + 3)\" places one beyond the 3 bytes, because the code should have been \"flag = *(o-\u003edata + 1)\" instead.","status":"published","published":"2022-05-24T16:56:43Z","modified":"2024-04-04T01:59:28Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:56:05.019773Z"}],"nvd":[{"id":"CVE-2019-16411","description":"An issue was discovered in Suricata 4.1.4. By sending multiple IPv4 packets that have invalid IPv4Options, the function IPV4OptValidateTimestamp in decode-ipv4.c tries to access a memory region that is not allocated. There is a check for o-\u003elen \u003c 5 (corresponding to 2 bytes of header and 3 bytes of data). Then, \"flag = *(o-\u003edata + 3)\" places one beyond the 3 bytes, because the code should have been \"flag = *(o-\u003edata + 1)\" instead.","status":"published","published":"2019-09-24T20:15:11.967Z","modified":"2026-06-17T02:22:15.717Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:05:28.126831Z"}],"osv":[{"id":"CVE-2019-16411","description":"An issue was discovered in Suricata 4.1.4. By sending multiple IPv4 packets that have invalid IPv4Options, the function IPV4OptValidateTimestamp in decode-ipv4.c tries to access a memory region that is not allocated. There is a check for o-\u003elen \u003c 5 (corresponding to 2 bytes of header and 3 bytes of data). Then, \"flag = *(o-\u003edata + 3)\" places one beyond the 3 bytes, because the code should have been \"flag = *(o-\u003edata + 1)\" instead.","status":"published","published":"2019-09-24T20:15:11.967Z","modified":"2026-10-24T10:30:50.855251338Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:11.361782Z"},{"id":"DEBIAN-CVE-2019-16411","description":"An issue was discovered in Suricata 4.1.4. By sending multiple IPv4 packets that have invalid IPv4Options, the function IPV4OptValidateTimestamp in decode-ipv4.c tries to access a memory region that is not allocated. There is a check for o-\u003elen \u003c 5 (corresponding to 2 bytes of header and 3 bytes of data). Then, \"flag = *(o-\u003edata + 3)\" places one beyond the 3 bytes, because the code should have been \"flag = *(o-\u003edata + 1)\" instead.","status":"published","published":"2019-09-24T20:15:11.967Z","modified":"2026-09-21T07:01:00.445003746Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:31.867036Z"},{"id":"UBUNTU-CVE-2019-16411","description":"An issue was discovered in Suricata 4.1.4. By sending multiple IPv4 packets that have invalid IPv4Options, the function IPV4OptValidateTimestamp in decode-ipv4.c tries to access a memory region that is not allocated. There is a check for o-\u003elen \u003c 5 (corresponding to 2 bytes of header and 3 bytes of data). Then, \"flag = *(o-\u003edata + 3)\" places one beyond the 3 bytes, because the code should have been \"flag = *(o-\u003edata + 1)\" instead.","status":"published","published":"2019-09-24T20:15:00Z","modified":"2025-10-24T04:47:53Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:20.325378Z"}]}}