{
  "cveId": "CVE-2022-43552",
  "url": "https://patchblox.com/security/cve/CVE-2022-43552",
  "summary": "CVE-2022-43552 is fixed in 32 products on 2 platforms, first by curl 7.58.0-2ubuntu3.22, released December 20, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Open Source Curl Remote Code Execution Vulnerability",
  "description": "A use after free vulnerability exists in curl \u0026lt;7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path.",
  "published": "2022-12-20T16:00:00Z",
  "severity": "Important",
  "cvss": 5.9,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.02714,
  "epssPercentile": 0.86089,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": true,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-43552",
  "fixes": [
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      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.4252",
      "fix": "KB5025229",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025229",
      "released": "2023-04-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for ARM64-based Systems",
      "fixedVersion": "17763.4252",
      "fix": "KB5025229",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025229",
      "released": "2023-04-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.4252",
      "fix": "KB5025229",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025229",
      "released": "2023-04-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 20H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5025221",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025221",
      "released": "2023-04-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 20H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5025221",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025221",
      "released": "2023-04-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5025221",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025221",
      "released": "2023-04-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5025221",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025221",
      "released": "2023-04-11T00:00:00Z"
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      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5025221",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025221",
      "released": "2023-04-11T00:00:00Z"
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      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5025221",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025221",
      "released": "2023-04-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5025221",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025221",
      "released": "2023-04-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5025221",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025221",
      "released": "2023-04-11T00:00:00Z"
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    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "22621.1555",
      "fix": "KB5025239",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025239",
      "released": "2023-04-11T00:00:00Z"
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      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for x64-based Systems",
      "fixedVersion": "22621.1555",
      "fix": "KB5025239",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025239",
      "released": "2023-04-11T00:00:00Z"
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      "platform": "microsoft",
      "product": "Windows 11 version 21H2 for ARM64-based Systems",
      "fixedVersion": "22000.1817",
      "fix": "KB5025224",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025224",
      "released": "2023-04-11T00:00:00Z"
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      "platform": "microsoft",
      "product": "Windows 11 version 21H2 for x64-based Systems",
      "fixedVersion": "22000.1817",
      "fix": "KB5025224",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025224",
      "released": "2023-04-11T00:00:00Z"
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      "fix": "KB5025229",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025229",
      "released": "2023-04-11T00:00:00Z"
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      "fix": "KB5025229",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025229",
      "released": "2023-04-11T00:00:00Z"
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      "fix": "KB5025230",
      "url": "https://patchblox.com/security/fix/microsoft/kb5025230",
      "released": "2023-04-11T00:00:00Z"
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      "url": "https://patchblox.com/security/fix/microsoft/kb5025230",
      "released": "2023-04-11T00:00:00Z"
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      "fixedVersion": "7.86.0-3",
      "fix": "DEBIAN-CVE-2022-43552",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-43552",
      "released": "2023-02-09T20:15:10Z"
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      "fix": "RHSA-2023:2963",
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      "release": "Ubuntu 18.04.6 LTS (bionic)",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libcurl3-gnutls-7.68.0-1ubuntu2.15",
      "released": "2022-12-20T16:00:00Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libcurl3-gnutls-7.81.0-1ubuntu1.7",
      "released": "2022-12-20T16:00:00Z"
    },
    {
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      "product": "libcurl3-nss",
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      "fix": "libcurl3-nss 7.58.0-2ubuntu3.22",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libcurl3-nss-7.58.0-2ubuntu3.22",
      "released": "2022-12-20T16:00:00Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libcurl3-nss-7.68.0-1ubuntu2.15",
      "released": "2022-12-20T16:00:00Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libcurl3-nss-7.81.0-1ubuntu1.7",
      "released": "2022-12-20T16:00:00Z"
    },
    {
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      "fix": "libcurl4 7.58.0-2ubuntu3.22",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libcurl4-7.58.0-2ubuntu3.22",
      "released": "2022-12-20T16:00:00Z"
    },
    {
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      "released": "2022-12-20T16:00:00Z"
    },
    {
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      "product": "libcurl4",
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      "released": "2022-12-20T16:00:00Z"
    }
  ],
  "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"
  }
}