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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-23273

Heap-buffer overflow in the randomize_iparp function in edit_packet.c. of Tcpreplay v4.3.2 allows attackers to cause a denial of service (DOS) via a crafted pcap.

Products
Not specified
Affected versions
Not specified
Fixed versions
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CVEs
CVE-2020-23273
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 11:05 UTC · Revision 1

Source evidence

CVE-2020-23273

core-osv · Original source

Published 22 Sept 2021, 00:15 UTC

Heap-buffer overflow in the randomize_iparp function in edit_packet.c. of Tcpreplay v4.3.2 allows attackers to cause a denial of service (DOS) via a crafted pcap.

osv:CVE-2020-23273
Complete source record
{
  "id": "6df6b56992de916c92a35f04933d7c80a0825d39288e5fcf3919bd443a5b082e",
  "url": "https://osv.dev/vulnerability/CVE-2020-23273",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-23273",
    "summary": "Heap-buffer overflow in the randomize_iparp function in edit_packet.c. of Tcpreplay v4.3.2 allows attackers to cause a denial of service (DOS) via a crafted pcap.",
    "evidence": "osv:CVE-2020-23273",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-23273",
      "aliases": [
        "CVE-2020-23273"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/appneta/tcpreplay",
              "type": "GIT",
              "events": [
                {
                  "introduced": "46a866429f406473eabf06d16fe27b4c61eea86d"
                },
                {
                  "last_affected": "46a866429f406473eabf06d16fe27b4c61eea86d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:broadcom:tcpreplay:4.3.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.3.2"
                      },
                      {
                        "last_affected": "4.3.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.3.2",
            "v4.3.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-23273.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:49.171518965Z",
      "provider": "osv",
      "references": [
        "https://github.com/appneta/tcpreplay/issues/579"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-23273",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383868,
  "published_at": "2021-09-22T00:15:08.727+00:00"
}