{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "9.0.0"
              },
              {
                "fixed": "9.2.14"
              },
              {
                "introduced": "10.0.0"
              },
              {
                "fixed": "10.1.3"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "b14030656330ed623cd1f9efe2f4f9abd9d16e29"
            },
            {
              "fixed": "056a39fb8c468a89a98be004ad6ae28b3d435c08"
            },
            {
              "introduced": "3fa146678bc6a061722f4ea930998ae29ad70de3"
            },
            {
              "fixed": "52f3d2929555b8aa9575f691a27dc3eca4b9bf75"
            }
          ],
          "repo": "https://github.com/apache/trafficserver",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "apache",
    "cwe_ids": [
      "CWE-400"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59173.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "9.0.0"
          },
          {
            "last_affected": "9.2.13"
          },
          {
            "introduced": "10.0.0"
          },
          {
            "last_affected": "10.1.2"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "introduced": "9.0.0"
          },
          {
            "fixed": "9.1.13"
          },
          {
            "introduced": "10.0.0"
          },
          {
            "fixed": "10.1.2"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "Uncontrolled Resource Consumption vulnerability in Apache Traffic Server.\n\nThis issue affects Apache Traffic Server: from 9.0.0 through 9.1.13, from 10.0.0 through 10.1.2.\n\nUsers are recommended to upgrade to version 9.1.14 or 10.1.3, which fixes the issue.",
  "id": "CVE-2026-59173",
  "modified": "2026-08-08T03:30:14.759067010Z",
  "published": "2026-07-18T12:52:18.923Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/17/5"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59173.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/lhlbhphmv5dsfgx1fx84mgonzbocpzhd"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59173"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Traffic Server: DoS vulnerability in HTTP/2 via stalled flow-control conditions"
}