core: Possible buffer overflow with very large or unlimited LimitXMLRequestBody

{
  "id": "8a298d05afae3973f5e7f96338709b613752bf9aa4c51779c1362f8bb57df17d",
  "url": "https://osv.dev/vulnerability/CVE-2022-22721",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "core: Possible buffer overflow with very large or unlimited LimitXMLRequestBody",
    "summary": "If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which later causes out of bounds writes. This issue affects Apache HTTP Server 2.4.52 and earlier.",
    "evidence": "osv:CVE-2022-22721",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-22721",
      "aliases": [
        "BIT-apache-2022-22721",
        "CVE-2022-22721"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/httpd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "fed3b8a079835cd63648d8903bc69243ce2c472a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.4.52"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.4.52",
            "candidate-2.4.52-rc1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-22721.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:34.577589967Z",
      "provider": "osv",
      "references": [
        "https://httpd.apache.org/security/vulnerabilities_24.html",
        "https://support.apple.com/kb/HT213255",
        "https://support.apple.com/kb/HT213256",
        "https://support.apple.com/kb/HT213257",
        "https://www.oracle.com/security-alerts/cpuapr2022.html",
        "https://www.oracle.com/security-alerts/cpujul2022.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/22xxx/CVE-2022-22721.json",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-22721",
        "https://security.gentoo.org/glsa/202208-20",
        "https://security.netapp.com/advisory/ntap-20220321-0001/",
        "https://lists.debian.org/debian-lts-announce/2022/03/msg00033.html"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-190"
        ],
        "cna_assigner": "apache",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "Apache HTTP Server 2.4"
                  },
                  {
                    "last_affected": "2.4.52"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/22xxx/CVE-2022-22721.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-22721",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 502037,
  "published_at": "2022-03-14T10:15:40+00:00"
}