{"id":"CVE-2018-18407","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-18407","generatedAt":"2026-10-29T02:00:38.957Z","title":"The issue gets triggered in the function csum_replace4() in incremental_checksum.h, causing a denial of service.","description":"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.","published":"2018-10-17T04:29:01.000Z","lastModified":"2026-06-17T01:47:10.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"cwe":["CWE-125"],"affected":["broadcom/tcpreplay","fedoraproject/fedora"],"epss":{"score":0.01239,"percentile":0.68985,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.24%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.md#user-content-heap-overflow-in-csum_replace4","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/appneta/tcpreplay/issues/488","tags":["Exploit","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V3SADKXUSHWTVAPU3WLXBDEQUHRA6ZO/","source":"cve@mitre.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLPY6W7Z7G6PF2JN4LXXHCACYLD4RBG6/","source":"cve@mitre.org"},{"url":"https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.md#user-content-heap-overflow-in-csum_replace4","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/appneta/tcpreplay/issues/488","tags":["Exploit","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V3SADKXUSHWTVAPU3WLXBDEQUHRA6ZO/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLPY6W7Z7G6PF2JN4LXXHCACYLD4RBG6/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-18407","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}