Security advisory

{
  "id": "f6c89e756a34301d2437d30e72c0ff0d610982a1442b66179f203961501a658a",
  "url": "https://osv.dev/vulnerability/CVE-2020-29443",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-29443",
    "summary": "ide_atapi_cmd_reply_end in hw/ide/atapi.c in QEMU 5.1.0 allows out-of-bounds read access because a buffer index is not validated.",
    "evidence": "osv:CVE-2020-29443",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2020-29443",
      "aliases": [
        "CVE-2020-29443"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/qemu/qemu",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d0ed6a69d399ae193959225cdeaa9382746c91cc"
                },
                {
                  "last_affected": "d0ed6a69d399ae193959225cdeaa9382746c91cc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:qemu:qemu:5.1.0:-:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.1.0-NA"
                      },
                      {
                        "last_affected": "5.1.0-NA"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.1.0-NA",
            "v5.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-29443.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/qemu-project/qemu",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d0ed6a69d399ae193959225cdeaa9382746c91cc"
                },
                {
                  "last_affected": "d0ed6a69d399ae193959225cdeaa9382746c91cc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:qemu:qemu:5.1.0:-:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.1.0-NA"
                      },
                      {
                        "last_affected": "5.1.0-NA"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.1.0-NA",
            "v5.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-29443.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:48.330731928Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html",
        "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html",
        "https://security.netapp.com/advisory/ntap-20210304-0003/",
        "https://lists.nongnu.org/archive/html/qemu-devel/2020-11/msg04685.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  },
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-29443",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436741,
  "published_at": "2021-01-26T18:15:51.85+00:00"
}