{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat.embed:tomcat-embed-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.5.0"
            },
            {
              "fixed": "8.5.83"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat.embed:tomcat-embed-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.0-M1"
            },
            {
              "fixed": "9.0.68"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat.embed:tomcat-embed-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.0.0-M1"
            },
            {
              "fixed": "10.0.27"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat.embed:tomcat-embed-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.1.0-M1"
            },
            {
              "fixed": "10.1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat:tomcat-coyote"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.0-M1"
            },
            {
              "fixed": "9.0.68"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat:tomcat-coyote"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.0.0-M1"
            },
            {
              "fixed": "10.0.27"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat:tomcat-coyote"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.1.0-M1"
            },
            {
              "fixed": "10.1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-42252"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-444"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-11-01T18:37:42Z",
    "nvd_published_at": "2022-11-01T09:15:00Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-p22x-g9px-3945",
  "modified": "2024-04-23T20:42:24Z",
  "published": "2022-11-01T12:00:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-42252"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/tomcat/commit/0d089a15047faf9cb3c82f80f4d28febd4798920"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/tomcat/commit/4c7f4fd09d2cc1692112ef70b8ee23a7a037ae77"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/tomcat/commit/a1c07906d8dcaf7957e5cc97f5cdbac7d18a205a"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/tomcat/commit/c9fe754e5d17e262dfbd3eab2a03ca96ff372dc3"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/apache/tomcat"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/zzcxzvqfdqn515zfs3dxb7n8gty589sq"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202305-37"
    },
    {
      "type": "WEB",
      "url": "https://tomcat.apache.org/security-10.html"
    },
    {
      "type": "WEB",
      "url": "https://tomcat.apache.org/security-8.html"
    },
    {
      "type": "WEB",
      "url": "https://tomcat.apache.org/security-9.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Tomcat may reject request containing invalid Content-Length header"
}