{"id":"CVE-2023-4256","details":"Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the tcpedit_dlt_cleanup() function within plugins/dlt_plugins.c. This vulnerability can be exploited by supplying a specifically crafted file to the tcprewrite binary. This flaw enables a local attacker to initiate a Denial of Service (DoS) attack.","modified":"2026-03-20T12:30:19.276626Z","published":"2023-12-21T16:15:10.400Z","related":["MGASA-2024-0098","openSUSE-SU-2025:20119-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3GYCHPVJ2VFN3D7FI4IRMDVMILLWBRF/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EHUILQV2YJI5TXXXJA5FQ2HJQGFT7NTN/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMW5CIODKRHUUH7NTAYIRWGSJ56DTGXM/"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2255212"},{"type":"REPORT","url":"https://github.com/appneta/tcpreplay/issues/813"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/appneta/tcpreplay","events":[{"introduced":"0"},{"last_affected":"bcb107a7ea96d4efbfc93d2de55962be6ccd37cb"},{"introduced":"0"},{"last_affected":"2bf3b37a03d6a6c6090a47238c8dda9697eddb2d"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"4.4.3"},{"introduced":"0"},{"last_affected":"4.4.4"}]}}],"versions":["help","v3.4.2","v3.4.3","v3.4.4","v4.0.0","v4.0.0beta1","v4.0.0beta2","v4.0.1","v4.0.2","v4.0.3","v4.0.4","v4.0.5","v4.0.5beta1","v4.0.5beta2","v4.0.5beta3","v4.1.0","v4.1.0beta1","v4.1.0beta2","v4.1.1","v4.1.1-beta2","v4.1.1-beta3","v4.1.2","v4.2.0","v4.2.0-beta1","v4.2.1","v4.2.2","v4.2.2-beta1","v4.2.3","v4.2.4","v4.2.5","v4.2.5-beta1","v4.2.6","v4.3.0","v4.3.0-beta1","v4.3.0-beta2","v4.3.1","v4.3.2","v4.3.3","v4.3.3-beta1","v4.3.4","v4.3.4-beta1","v4.3.4-rc1","v4.4.0","v4.4.1","v4.4.2","v4.4.2-beta1","v4.4.3"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"39"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-4256.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}