Apache HTTP Server: HTTP/2 DoS by memory exhaustion on endless continuation frames

{
  "id": "f79507835d789ec9bd31c70ad5ced58b2884e48a51640b0079c0548be4a0f324",
  "url": "https://osv.dev/vulnerability/CVE-2024-27316",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Apache HTTP Server: HTTP/2 DoS by memory exhaustion on endless continuation frames",
    "summary": "HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.",
    "evidence": "osv:CVE-2024-27316",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-27316",
      "aliases": [
        "BIT-apache-2024-27316",
        "CVE-2024-27316"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/httpd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "47a9d8e8abf5697b4580c3ee2ade302b5c058fa6"
                },
                {
                  "fixed": "a751ae5cf6890cfd477f253390d09186386ea988"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.4.17"
                      },
                      {
                        "fixed": "2.4.59"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-27316.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.021796833Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html",
        "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FO73U3SLBYFGIW2YKXOK7RI4D6DJSZ2B/",
        "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MIUBKSCJGPJ6M2U63V6BKFDF725ODLG7/",
        "https://support.apple.com/kb/HT214119",
        "https://www.kb.cert.org/vuls/id/421644",
        "https://www.openwall.com/lists/oss-security/2024/04/03/16",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27316.json",
        "https://httpd.apache.org/security/vulnerabilities_24.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-27316",
        "https://security.netapp.com/advisory/ntap-20240415-0013/"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-770"
        ],
        "cna_assigner": "apache",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2.4.17"
                  },
                  {
                    "last_affected": "2.4.58"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27316.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-27316",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496892,
  "published_at": "2024-04-04T19:21:41.984+00:00"
}