{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:apache:http_server:2.4.66:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "2.4.66"
              },
              {
                "last_affected": "2.4.66"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "e4a77ef6051b3fe22eafacbcf54855b178a0bddd"
            },
            {
              "last_affected": "e4a77ef6051b3fe22eafacbcf54855b178a0bddd"
            }
          ],
          "repo": "https://github.com/apache/httpd",
          "type": "GIT"
        }
      ],
      "versions": [
        "2.4.66"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "apache",
    "cwe_ids": [
      "CWE-415"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23918.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "2.4.66"
          },
          {
            "last_affected": "2.4.66"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol.\n\nThis issue affects Apache HTTP Server: 2.4.66.\n\nUsers are recommended to upgrade to version 2.4.67, which fixes the issue.",
  "id": "CVE-2026-23918",
  "modified": "2026-07-08T05:37:38.597346111Z",
  "published": "2026-05-04T14:44:28.513Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/05/04/19"
    },
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23918.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:13938"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2026-23918"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23918.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23918"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2465304"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache HTTP Server: http2: double free and possible RCE on early reset"
}