Security advisory

{
  "id": "f78ead59f3e2a4e8928dc2022d3b0d6743bd1c45b64300450ed15e8af7e1fbb9",
  "url": "https://osv.dev/vulnerability/CVE-2020-11102",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-11102",
    "summary": "hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length.",
    "evidence": "osv:CVE-2020-11102",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-11102",
      "aliases": [
        "CVE-2020-11102"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/qemu/qemu",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b0ca999a43a22b38158a222233d3f5881648bb4f"
                },
                {
                  "last_affected": "b0ca999a43a22b38158a222233d3f5881648bb4f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.2.0"
                      },
                      {
                        "last_affected": "4.2.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.2.0",
            "v4.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-11102.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/qemu-project/qemu",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b0ca999a43a22b38158a222233d3f5881648bb4f"
                },
                {
                  "last_affected": "b0ca999a43a22b38158a222233d3f5881648bb4f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.2.0"
                      },
                      {
                        "last_affected": "4.2.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.2.0",
            "v4.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-11102.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:28.753013446Z",
      "provider": "osv",
      "references": [
        "https://lists.gnu.org/archive/html/qemu-devel/2020-03/msg08322.html",
        "https://security.gentoo.org/glsa/202005-02"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-11102",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432130,
  "published_at": "2020-04-06T16:15:13.347+00:00"
}