{
  "cveId": "CVE-2018-18407",
  "url": "https://patchblox.com/security/cve/CVE-2018-18407",
  "summary": "CVE-2018-18407 is fixed in tcpreplay on 1 platform by tcpreplay 4.2.6-1ubuntu0.1~esm1 (version 4.2.6-1ubuntu0.1~esm1), released October 16, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "tcpreplay: A heap-based buffer over-read was discovered in the tcpreplay-edit binary of Tcpreplay 4.3.0 beta1, during the increm...",
  "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": "2018-10-16T21:29:00Z",
  "severity": "Medium",
  "epss": 0.01239,
  "epssPercentile": 0.69306,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "tcpreplay",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.2.6-1ubuntu0.1~esm1",
      "fix": "tcpreplay 4.2.6-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-tcpreplay-4.2.6-1ubuntu0.1-esm1",
      "released": "2018-10-16T21:29:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}