{
  "cveId": "CVE-2022-42252",
  "url": "https://patchblox.com/security/cve/CVE-2022-42252",
  "summary": "CVE-2022-42252 is fixed in 23 products on 1 platform, first by libtomcat8-embed-java 8.5.39-1ubuntu1~18.04.3\u002Besm1, released November 1, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "libtomcat9-embed-java: If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to i...",
  "description": "If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false (the default for 8.5.x only), Tomcat did not reject a request containing an invalid Content-Length header making a request smuggling attack possible if Tomcat was located behind a reverse proxy that also failed to reject the request with the invalid header.",
  "published": "2022-11-01T02:15:00Z",
  "severity": "Medium",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
  "epss": 0.0178,
  "epssPercentile": 0.78375,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libtomcat8-embed-java",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "8.5.39-1ubuntu1~18.04.3\u002Besm1",
      "fix": "libtomcat8-embed-java 8.5.39-1ubuntu1~18.04.3\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libtomcat8-embed-java-8.5.39-1ubuntu1-18.04.3-esm1",
      "released": "2022-11-01T02:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libtomcat8-java",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "8.5.39-1ubuntu1~18.04.3\u002Besm1",
      "fix": "libtomcat8-java 8.5.39-1ubuntu1~18.04.3\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libtomcat8-java-8.5.39-1ubuntu1-18.04.3-esm1",
      "released": "2022-11-01T02:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libtomcat9-embed-java",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "9.0.16-3ubuntu0.18.04.2\u002Besm1",
      "fix": "libtomcat9-embed-java 9.0.16-3ubuntu0.18.04.2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libtomcat9-embed-java-9.0.16-3ubuntu0.18.04.2-esm1",
      "released": "2022-11-01T02:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libtomcat9-embed-java",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "9.0.31-1ubuntu0.5",
      "fix": "libtomcat9-embed-java 9.0.31-1ubuntu0.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libtomcat9-embed-java-9.0.31-1ubuntu0.5",
      "released": "2022-11-01T02:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libtomcat9-embed-java",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "9.0.58-1ubuntu0.1\u002Besm1",
      "fix": "libtomcat9-embed-java 9.0.58-1ubuntu0.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libtomcat9-embed-java-9.0.58-1ubuntu0.1-esm1",
      "released": "2022-11-01T02:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libtomcat9-java",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "9.0.16-3ubuntu0.18.04.2\u002Besm1",
      "fix": "libtomcat9-java 9.0.16-3ubuntu0.18.04.2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libtomcat9-java-9.0.16-3ubuntu0.18.04.2-esm1",
      "released": "2022-11-01T02:15:00Z"
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    {
      "platform": "linux",
      "product": "libtomcat9-java",
      "release": "Ubuntu 20.04 LTS (focal)",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libtomcat9-java-9.0.31-1ubuntu0.5",
      "released": "2022-11-01T02:15:00Z"
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    {
      "platform": "linux",
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      "release": "Ubuntu 22.04.1 LTS (jammy)",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libtomcat9-java-9.0.58-1ubuntu0.1-esm1",
      "released": "2022-11-01T02:15:00Z"
    },
    {
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      "released": "2022-11-01T02:15:00Z"
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    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-tomcat8-admin-8.5.39-1ubuntu1-18.04.3-esm1",
      "released": "2022-11-01T02:15:00Z"
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      "released": "2022-11-01T02:15:00Z"
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    {
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      "released": "2022-11-01T02:15:00Z"
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      "released": "2022-11-01T02:15:00Z"
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    {
      "platform": "linux",
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      "released": "2022-11-01T02:15:00Z"
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    {
      "platform": "linux",
      "product": "tomcat9",
      "release": "Debian 11.6 (bullseye)",
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      "fix": "DSA-5381-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-5381-1",
      "released": "2023-04-05T00:00:00Z"
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    {
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      "fix": "DEBIAN-CVE-2022-42252",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-42252",
      "released": "2022-11-01T09:15:10Z"
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    {
      "platform": "linux",
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      "released": "2022-11-01T09:15:10Z"
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      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-42252",
      "released": "2022-11-01T09:15:10Z"
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      "released": "2022-11-01T02:15:00Z"
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      "released": "2022-11-01T02:15:00Z"
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    {
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    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}