{"id":"CVE-2018-18409","details":"A stack-based buffer over-read exists in setbit() at iptree.h of TCPFLOW 1.5.0, due to received incorrect values causing incorrect computation, leading to denial of service during an address_histogram call or a get_histogram call.","modified":"2026-05-28T04:04:23.500389352Z","published":"2018-10-17T04:29:00.893Z","database_specific":{"unresolved_ranges":[{"source":"CPE_STRING","extracted_events":[{"last_affected":"16.04"},{"last_affected":"18.04"},{"last_affected":"18.10"}],"vendor_product":"canonical:ubuntu_linux","cpes":["cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"]},{"source":"CPE_STRING","extracted_events":[{"last_affected":"28"},{"last_affected":"29"}],"vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*"]}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K6MP4YMCJX4ITOBFX427UMOA6E7ZLJDE/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MN5FW6HKPDP7PI2IVNMFSQVIDSCQ5BOR/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3955-1/"},{"type":"FIX","url":"https://github.com/simsong/tcpflow/issues/195"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/simsong/tcpflow","events":[{"introduced":"0"},{"last_affected":"e608c9620473469d14a98b7a646ecf2ad9c084d2"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:digitalcorpora:tcpflow:1.5.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.5.0"}]}}],"versions":["tcpflow-1.5.0","push","tcpflow-1.4.5","tcpflow-1.4.3","tcpflow-1.4.2","tcpflow-1.4.1","tcpflow-1.4.0","tcpflow-1.3.0","tcpflow-1.2.9","tcpflow-1.2.7","tcpflow-1.2.5"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-18409.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}