{"schemaVersion":3,"id":"USN-7231-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"tcpreplay vulnerabilities\n\nIt was discovered that Tcpreplay incorrectly handled memory when using the\ntcprewrite utility. A remote attacker could possibly use this issue to\ncause Tcpreplay to crash, resulting in a denial of service.\n(CVE-2023-27783)\n\nIt was discovered that Tcpreplay incorrectly validated external input. A\nremote attacker could possibly use this issue to cause Tcpreplay to crash,\nresulting in a denial of service. (CVE-2023-27784, CVE-2023-27785,\nCVE-2023-27786, CVE-2023-27787, CVE-2023-27788, CVE-2023-27789)\n\nIt was discovered that Tcpreplay incorrectly handled memory when using the\ntcprewrite utility. An attacker could possibly use this issue to cause\nTcpreplay to crash, resulting in a denial of service. (CVE-2023-4256,\nCVE-2023-43279)","dates":{"published":"2025-01-28T14:49:27.000Z","modified":"2026-06-25T13:32:30.638Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"tcpreplay","name":"tcpreplay","label":"tcpreplay","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/tcpreplay","purlType":"deb","versions":[{"text":"< 3.4.4-2+deb8u1ubuntu0.1~esm3","noFixRecorded":false,"fixedIn":null},{"text":"< 4.2.6-1ubuntu0.1~esm5","noFixRecorded":false,"fixedIn":null},{"text":"< 4.3.2-1ubuntu0.1~esm3","noFixRecorded":false,"fixedIn":null},{"text":"< 4.3.4-1ubuntu0.1~esm2","noFixRecorded":false,"fixedIn":null},{"text":"< 4.4.4-1ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.4.4-2+deb8u1ubuntu0.1~esm3 | < 4.2.6-1ubuntu0.1~esm5 | < 4.3.2-1ubuntu0.1~esm3 | < 4.3.4-1ubuntu0.1~esm2 | < 4.4.4-1ubuntu0.1~esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-7231-1","label":"ubuntu.com/security/notices/USN-7231-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-4256","label":"ubuntu.com/security/CVE-2023-4256","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-27783","label":"ubuntu.com/security/CVE-2023-27783","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-27784","label":"ubuntu.com/security/CVE-2023-27784","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-27785","label":"ubuntu.com/security/CVE-2023-27785","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-27786","label":"ubuntu.com/security/CVE-2023-27786","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-27787","label":"ubuntu.com/security/CVE-2023-27787","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-27788","label":"ubuntu.com/security/CVE-2023-27788","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-27789","label":"ubuntu.com/security/CVE-2023-27789","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-43279","label":"ubuntu.com/security/CVE-2023-43279","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2023-27783","CVE-2023-27784","CVE-2023-27785","CVE-2023-27786","CVE-2023-27787","CVE-2023-27788","CVE-2023-27789","CVE-2023-4256","CVE-2023-43279"],"downstream":[],"duplicates":[],"related":["CVE-2023-27783","CVE-2023-27784","CVE-2023-27785","CVE-2023-27786","CVE-2023-27787","CVE-2023-27788","CVE-2023-27789","CVE-2023-4256","CVE-2023-43279"]},"timeline":[{"kind":"published","date":"2025-01-28T14:49:27.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:32:30.638Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T23:49:59.428Z","stale":false,"partial":false}}