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Medium

Buffer Over-read in Wireshark

Type: advisorySources: OSV

iSCSI dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of service via packet injection or crafted capture file

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-3649
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 20:46 UTC · Revision 1

Source evidence

Buffer Over-read in Wireshark

core-osv · Original source

Published 14 Jul 2023, 06:16 UTC

iSCSI dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of service via packet injection or crafted capture file

osv:CVE-2023-3649
Complete source record
{
  "id": "f891fb7f03e0d5fd444d4542cd77b2b956b990b77a5815cb69a10c57cbb4037e",
  "url": "https://osv.dev/vulnerability/CVE-2023-3649",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Buffer Over-read in Wireshark",
    "summary": "iSCSI dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of service via packet injection or crafted capture file",
    "evidence": "osv:CVE-2023-3649",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-3649",
      "aliases": [
        "CVE-2023-3649"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wireshark/wireshark",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0cbe09cd796b2ea24c6069b76ea16df7f51cf67b"
                },
                {
                  "last_affected": "ac2f5a01286addcb34ffb204e1eeb5fd8ccdb85c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.0"
                      },
                      {
                        "last_affected": "4.0.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            },
            {
              "repo": "https://gitlab.com/wireshark/wireshark",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0cbe09cd796b2ea24c6069b76ea16df7f51cf67b"
                },
                {
                  "fixed": "0ad1823cc09011b4a03d9e8dba7e2fcebc936d82"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "4.0.0"
                      },
                      {
                        "fixed": "4.0.7"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.0"
                      },
                      {
                        "last_affected": "4.0.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "wireshark-4.0.6",
            "v4.0.6",
            "v4.0.6rc0",
            "wireshark-4.0.5",
            "v4.0.5",
            "v4.0.5rc0",
            "wireshark-4.0.4",
            "v4.0.4",
            "v4.0.4rc0",
            "wireshark-4.0.3",
            "v4.0.3",
            "v4.0.3rc0",
            "wireshark-4.0.2",
            "v4.0.2",
            "v4.0.2rc0",
            "wireshark-4.0.1",
            "v4.0.1",
            "v4.0.1rc0",
            "wireshark-4.0.0",
            "v4.0.0",
            "v4.0.7rc0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-3649.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:39.279157403Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html",
        "https://www.wireshark.org/security/wnpa-sec-2023-22.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3649.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-3649",
        "https://gitlab.com/wireshark/wireshark/-/issues/19164"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-126"
        ],
        "cna_assigner": "GitLab",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3649.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-3649",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 506843,
  "published_at": "2023-07-14T06:16:45.767+00:00"
}