{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "9.0.83"
              },
              {
                "fixed": "9.0.119"
              },
              {
                "introduced": "10.1.0"
              },
              {
                "fixed": "10.1.56"
              },
              {
                "introduced": "11.0.0"
              },
              {
                "fixed": "11.0.23"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "be97b0e06e77226aea5eb2a7b448f1d53bda2aa1"
            },
            {
              "fixed": "36c2e40f60e3176f12c0344f40f656251448b004"
            },
            {
              "introduced": "e9d17cddc285615807ec5fef09240777436b25dc"
            },
            {
              "fixed": "59f3f1ab4f905f94c9c99cad579d6afb3a935b66"
            },
            {
              "introduced": "56e547d387ab49f688c93fe9ca082b1b5d94deed"
            },
            {
              "fixed": "b5c1bba61f2e54875bd6d538ae145fffd7b217a8"
            }
          ],
          "repo": "https://github.com/apache/tomcat",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "apache",
    "cwe_ids": [
      "CWE-390"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53434.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "11.0.0-M1"
          },
          {
            "last_affected": "11.0.22"
          },
          {
            "introduced": "10.1.0-M7"
          },
          {
            "last_affected": "10.1.55"
          },
          {
            "introduced": "9.0.83"
          },
          {
            "last_affected": "9.0.118"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "introduced": "11.0.0-M1"
          },
          {
            "fixed": "11.0.22"
          },
          {
            "introduced": "10.1.0-M7"
          },
          {
            "fixed": "10.1.55"
          },
          {
            "introduced": "9.0.83"
          },
          {
            "fixed": "9.0.118"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M7 through 10.1.55, from 9.0.83 through 9.0.118.\n\nUsers are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fixes the issue.",
  "id": "CVE-2026-53434",
  "modified": "2026-07-08T05:36:38.021783425Z",
  "published": "2026-06-29T20:41:06.948Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/06/29/22"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53434.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/x510lbq0sfrd1qyo7q3r1mpllgpdcosk"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53434"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Tomcat: Invalid CRL configuration doesn't trigger failure for FFM Connector"
}