Apache HTTP Server: 'RewriteCond expr' always evaluates to true in 2.4.64

{
  "id": "794bf767632083c5ea9b721116842f8906616f99e0aaf0c0e88bf9aefde940dd",
  "url": "https://osv.dev/vulnerability/CVE-2025-54090",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Apache HTTP Server: 'RewriteCond expr' always evaluates to true in 2.4.64",
    "summary": "A bug in Apache HTTP Server 2.4.64 results in all \"RewriteCond expr ...\" tests evaluating as \"true\". Users are recommended to upgrade to version 2.4.65, which fixes the issue.",
    "evidence": "osv:CVE-2025-54090",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-54090",
      "aliases": [
        "BIT-apache-2025-54090",
        "CVE-2025-54090"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/httpd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "7e926454793abd7d71b6afc8bd1ec1648752c6ad"
                },
                {
                  "last_affected": "7e926454793abd7d71b6afc8bd1ec1648752c6ad"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:http_server:2.4.64:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.4.64"
                      },
                      {
                        "last_affected": "2.4.64"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.4.64"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-54090.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:36.546975452Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2025/08/msg00009.html",
        "https://news.ycombinator.com/item?id=44666896",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/54xxx/CVE-2025-54090.json",
        "https://httpd.apache.org/security/vulnerabilities_24.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-54090"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-253"
        ],
        "cna_assigner": "apache",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2.4.64"
                  },
                  {
                    "last_affected": "2.4.64"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/54xxx/CVE-2025-54090.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-54090",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 503934,
  "published_at": "2025-07-23T13:19:25.273+00:00"
}