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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2019-8376

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2019-8376
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 11:04 UTC · Revision 1

Source evidence

CVE-2019-8376

core-osv · Original source

Published 17 Feb 2019, 02:29 UTC

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

osv:CVE-2019-8376
Complete source record
{
  "id": "260518fe732fa951396db80f20d2d091fd0937953f43d50b4ca73f1acf2f7880",
  "url": "https://osv.dev/vulnerability/CVE-2019-8376",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-8376",
    "summary": "An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.",
    "evidence": "osv:CVE-2019-8376",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-8376",
      "aliases": [
        "CVE-2019-8376"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/appneta/tcpreplay",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2595c903b61d9e50b22cbfcc6899f8f11a17bbff"
                },
                {
                  "last_affected": "2595c903b61d9e50b22cbfcc6899f8f11a17bbff"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:broadcom:tcpreplay:4.3.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.3.1"
                      },
                      {
                        "last_affected": "4.3.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.3.1",
            "v4.3.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-8376.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:45.905943292Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V3SADKXUSHWTVAPU3WLXBDEQUHRA6ZO/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EB3ASS7URTIA3IFSBL2DIWJAFKTBJCAW/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLPY6W7Z7G6PF2JN4LXXHCACYLD4RBG6/",
        "https://github.com/appneta/tcpreplay/issues/537",
        "https://research.loginsoft.com/bugs/null-pointer-dereference-vulnerability-in-function-get_layer4_v6-tcpreplay-4-3-1/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "28"
                  },
                  {
                    "last_affected": "28"
                  },
                  {
                    "introduced": "29"
                  },
                  {
                    "last_affected": "29"
                  },
                  {
                    "introduced": "30"
                  },
                  {
                    "last_affected": "30"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2019-8376",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383795,
  "published_at": "2019-02-17T02:29:00.223+00:00"
}