{"id":"CVE-2023-4256","summary":"Tcpreplay: tcprewrite: double free in tcpedit_dlt_cleanup() in plugins/dlt_plugins.c","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":"2026-08-12T03:51:15.626440370Z","published":"2023-12-21T16:03:21.837Z","related":["openSUSE-SU-2025:20119-1"],"database_specific":{"cna_assigner":"redhat","cwe_ids":["CWE-415"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4256.json"},"references":[{"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":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3GYCHPVJ2VFN3D7FI4IRMDVMILLWBRF/"},{"type":"WEB","url":"https://packages.fedoraproject.org/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4256.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4256"},{"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":"bcb107a7ea96d4efbfc93d2de55962be6ccd37cb"},{"last_affected":"2bf3b37a03d6a6c6090a47238c8dda9697eddb2d"}],"database_specific":{"source":"CPE_STRING","cpe":["cpe:2.3:a:broadcom:tcpreplay:4.4.3:*:*:*:*:*:*:*","cpe:2.3:a:broadcom:tcpreplay:4.4.4:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"4.4.3"},{"last_affected":"4.4.3"},{"introduced":"4.4.4"},{"last_affected":"4.4.4"}]}}],"versions":["4.4.3","4.4.4","v4.4.4","v4.4.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4256.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}