{"id":"CVE-2018-18407","details":"A heap-based buffer over-read was discovered in the tcpreplay-edit binary of Tcpreplay 4.3.0 beta1, during the incremental checksum operation. The issue gets triggered in the function csum_replace4() in incremental_checksum.h, causing a denial of service.","modified":"2026-07-07T08:49:52.756788279Z","published":"2018-10-17T04:29:00.643Z","related":["openSUSE-SU-2024:11426-1"],"database_specific":{"unresolved_ranges":[{"vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"28"},{"last_affected":"28"},{"introduced":"29"},{"last_affected":"29"}],"source":"CPE_STRING"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V3SADKXUSHWTVAPU3WLXBDEQUHRA6ZO/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLPY6W7Z7G6PF2JN4LXXHCACYLD4RBG6/"},{"type":"FIX","url":"https://github.com/appneta/tcpreplay/issues/488"},{"type":"EVIDENCE","url":"https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.md#user-content-heap-overflow-in-csum_replace4"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/appneta/tcpreplay","events":[{"introduced":"b663095bd87b60822d4b8688a48040c8f88fd045"},{"last_affected":"b663095bd87b60822d4b8688a48040c8f88fd045"}],"database_specific":{"extracted_events":[{"introduced":"4.3.0-beta1"},{"last_affected":"4.3.0-beta1"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:broadcom:tcpreplay:4.3.0:beta1:*:*:*:*:*:*"}}],"versions":["4.3.0-beta1","v4.3.0-beta1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-18407.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}