Security advisory

{
  "id": "44b17c1476cc071234d632a8cb10d70f8836768cfe5b3d00b7b736aa75c24129",
  "url": "https://osv.dev/vulnerability/CVE-2020-15890",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-15890",
    "summary": "LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.",
    "evidence": "osv:CVE-2020-15890",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-15890",
      "aliases": [
        "CVE-2020-15890"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/luajit/luajit",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "0bf80b07b0672ce874feedcc777afe1b791ccb5a"
                },
                {
                  "introduced": "fb77f7dee7fff698736b48392a6057c60d0d7c2b"
                },
                {
                  "last_affected": "8271c643c21d1b2f344e339f559f2de6f3663191"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:luajit:luajit:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.0.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:luajit:luajit:2.1.0:beta1:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.1.0-beta1"
                      },
                      {
                        "last_affected": "2.1.0-beta1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:luajit:luajit:2.1.0:beta2:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.1.0-beta2"
                      },
                      {
                        "last_affected": "2.1.0-beta2"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:luajit:luajit:2.1.0:beta3:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.1.0-beta3"
                      },
                      {
                        "last_affected": "2.1.0-beta3"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.1.0-beta1",
            "2.1.0-beta2",
            "2.1.0-beta3",
            "v2.0.5",
            "v2.0.4",
            "v2.0.3",
            "v2.0.2",
            "v2.0.1-fixed",
            "v2.0.1",
            "v2.0.0-rc3",
            "v2.0.0",
            "v2.0.0-rc2",
            "v2.0.0-rc1",
            "v2.0.0-beta11",
            "v2.0.0-beta10",
            "v2.0.0-beta9",
            "v2.0.0-beta8-fixed",
            "v2.0.0-beta8",
            "v2.0.0-beta7",
            "v2.0.0-beta6",
            "v2.0.0-beta5",
            "v2.0.0-beta4",
            "v2.0.0-beta3",
            "v2.0.0-beta2-hotfix2",
            "v2.0.0-beta2",
            "v2.0.0-beta1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15890.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:58.202688936Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2025/08/msg00022.html",
        "https://lists.debian.org/debian-lts-announce/2020/07/msg00026.html",
        "https://usn.ubuntu.com/4501-1/",
        "https://github.com/LuaJIT/LuaJIT/issues/601"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "16.04"
                  },
                  {
                    "last_affected": "16.04"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-15890",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383172,
  "published_at": "2020-07-21T22:15:12.197+00:00"
}