{
  "cveId": "CVE-2021-45985",
  "url": "https://patchblox.com/security/cve/CVE-2021-45985",
  "summary": "CVE-2021-45985 is fixed in 25 products on 2 platforms, first by DEBIAN-CVE-2021-45985, released April 10, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Mitre: CVE-2021-45985 Erroneous finalizer call in Lua leads to a heap-based buffer over-read",
  "description": "\u003Cp\u003EThis CVE was assigned by Mitre.  Some Microsoft products consume \u003Ca href=\u0022https://lua.org/about.html\u0022\u003ELau open-source software\u003C/a\u003E.  The purpose of this document is to attest to the fact that the products listed in the Security Updates table have been updated to protect against this vulnerability.\u003C/p\u003E",
  "published": "2023-04-10T09:15:07Z",
  "severity": "Important",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "cwe": "Dependency on Vulnerable Third-Party Component",
  "epss": 0.01418,
  "epssPercentile": 0.72948,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-45985",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5044273",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044273",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044273",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044273",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044273",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044273",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5044273",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044273",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044273",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044273",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044273",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044273",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044285",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044285",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044285",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044285",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044285",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044285",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5044285",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044285",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for ARM64-based Systems",
      "fixedVersion": "26100.2894",
      "fix": "KB5050009",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050009",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for x64-based Systems",
      "fixedVersion": "26100.2894",
      "fix": "KB5050009",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050009",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "20348.2762",
      "fix": "KB5044281",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044281",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "20348.2762",
      "fix": "KB5044281",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044281",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
      "fixedVersion": "25398.1189",
      "fix": "KB5044288",
      "url": "https://patchblox.com/security/fix/microsoft/kb5044288",
      "released": "2024-10-08T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025",
      "fixedVersion": "26100.2894",
      "fix": "KB5050009",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050009",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025 (Server Core installation)",
      "fixedVersion": "26100.2894",
      "fix": "KB5050009",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050009",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "lua",
      "release": "amzn 2023",
      "fixedVersion": "5.4.4-3.amzn2023.0.2",
      "fix": "ALAS2023-2024-533",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-533",
      "released": "2024-02-15T02:52:00Z"
    },
    {
      "platform": "linux",
      "product": "lua-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "5.4.4-3.amzn2023.0.2",
      "fix": "ALAS2023-2024-533",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-533",
      "released": "2024-02-15T02:52:00Z"
    },
    {
      "platform": "linux",
      "product": "lua-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "5.4.4-3.amzn2023.0.2",
      "fix": "ALAS2023-2024-533",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-533",
      "released": "2024-02-15T02:52:00Z"
    },
    {
      "platform": "linux",
      "product": "lua-devel",
      "release": "amzn 2023",
      "fixedVersion": "5.4.4-3.amzn2023.0.2",
      "fix": "ALAS2023-2024-533",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-533",
      "released": "2024-02-15T02:52:00Z"
    },
    {
      "platform": "linux",
      "product": "lua-libs",
      "release": "amzn 2023",
      "fixedVersion": "5.4.4-3.amzn2023.0.2",
      "fix": "ALAS2023-2024-533",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-533",
      "released": "2024-02-15T02:52:00Z"
    },
    {
      "platform": "linux",
      "product": "lua-libs-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "5.4.4-3.amzn2023.0.2",
      "fix": "ALAS2023-2024-533",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-533",
      "released": "2024-02-15T02:52:00Z"
    },
    {
      "platform": "linux",
      "product": "lua-static",
      "release": "amzn 2023",
      "fixedVersion": "5.4.4-3.amzn2023.0.2",
      "fix": "ALAS2023-2024-533",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2024-533",
      "released": "2024-02-15T02:52:00Z"
    },
    {
      "platform": "linux",
      "product": "lua5.4",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.4.4-1",
      "fix": "DEBIAN-CVE-2021-45985",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-45985",
      "released": "2023-04-10T09:15:07Z"
    },
    {
      "platform": "linux",
      "product": "lua5.4",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.4.4-1",
      "fix": "DEBIAN-CVE-2021-45985",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-45985",
      "released": "2023-04-10T09:15:07Z"
    },
    {
      "platform": "linux",
      "product": "lua5.4",
      "release": "Debian 14",
      "fixedVersion": "5.4.4-1",
      "fix": "DEBIAN-CVE-2021-45985",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-45985",
      "released": "2023-04-10T09:15:07Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}