Apache HTTP Server: CGI environment variable override

{
  "id": "88245856b2bb34e8ccacf9e4a3282dad5742eb23f261fac0218039a888e4e312",
  "url": "https://osv.dev/vulnerability/CVE-2025-65082",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Apache HTTP Server: CGI environment variable override",
    "summary": "Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server for CGI programs. This issue affects Apache HTTP Server from 2.4.0 through 2.4.65. Users are recommended to upgrade to version 2.4.66 which fixes the issue.",
    "evidence": "osv:CVE-2025-65082",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-65082",
      "aliases": [
        "BIT-apache-2025-65082",
        "CVE-2025-65082"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/httpd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "da5873e80d6eee7a0838793bf68f1d0254745fbb"
                },
                {
                  "fixed": "e4a77ef6051b3fe22eafacbcf54855b178a0bddd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.4.0"
                      },
                      {
                        "fixed": "2.4.66"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-65082.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.516087793Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65082.json",
        "https://httpd.apache.org/security/vulnerabilities_24.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-65082"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-150"
        ],
        "cna_assigner": "apache",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2.4.0"
                  },
                  {
                    "last_affected": "2.4.65"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65082.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-65082",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521411,
  "published_at": "2025-12-05T10:46:27.138+00:00"
}