Vulnerability from bitnami_vulndb
Published
2024-03-06 11:07
Modified
2025-08-08 06:26
Summary
Apache Tomcat: HTTP request smuggling via malformed trailer headers
Details

Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.1.15, from 9.0.0-M1 through 9.0.82 and from 8.5.0 through 8.5.95 did not correctly parse HTTP trailer headers. A trailer header that exceeded the header size limit could cause Tomcat to treat a single request as multiple requests leading to the possibility of request smuggling when behind a reverse proxy.

Older, EOL versions may also be affected.

Users are recommended to upgrade to version 11.0.0-M11 onwards, 10.1.16 onwards, 9.0.83 onwards or 8.5.96 onwards, which fix the issue.

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "tomcat",
        "purl": "pkg:bitnami/tomcat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.5.0"
            },
            {
              "fixed": "8.5.96"
            },
            {
              "introduced": "9.0.0"
            },
            {
              "fixed": "9.0.83"
            },
            {
              "introduced": "10.1.0"
            },
            {
              "fixed": "10.1.16"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-46589"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*"
    ],
    "severity": "High"
  },
  "details": "Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.1.15, from 9.0.0-M1 through 9.0.82 and from 8.5.0 through 8.5.95 did not correctly parse HTTP trailer headers. A trailer header that exceeded the header size limit could cause Tomcat to treat a single \nrequest as multiple requests leading to the possibility of request \nsmuggling when behind a reverse proxy.\n\n\nOlder, EOL versions may also be affected.\n\n\nUsers are recommended to upgrade to version 11.0.0-M11\u00a0onwards, 10.1.16 onwards, 9.0.83 onwards or 8.5.96 onwards, which fix the issue.",
  "id": "BIT-tomcat-2023-46589",
  "modified": "2025-08-08T06:26:52.450Z",
  "published": "2024-03-06T11:07:35.204Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/0rqq6ktozqc42ro8hhxdmmdjm1k1tpxr"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00001.html"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20231214-0009/"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2023/11/28/2"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-46589"
    }
  ],
  "schema_version": "1.5.0",
  "summary": "Apache Tomcat: HTTP request smuggling via malformed trailer headers"
}


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Detection rules are retrieved from Rulezet.