Apache HTTP Server: mod_dav shared lock overflow

{
  "id": "61e260dab122df672b87f90d0daa2ef6101af47ae3759e7eafb1fef00070b608",
  "url": "https://osv.dev/vulnerability/BIT-apache-2026-42528",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Apache HTTP Server: mod_dav shared lock overflow",
    "summary": "A memory calculation bug in mod_dav in Apache httpd 2.4.67 and earlier allows an attacker with permission to create WebDAV locks to crash server child processes. Users are recommended to upgrade to version 2.4.69, which fixes this issue",
    "evidence": "osv:BIT-apache-2026-42528",
    "products": [
      {
        "name": {
          "value": "apache",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.4.69",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "BIT-apache-2026-42528",
      "aliases": [
        "BIT-apache-2026-42528",
        "CVE-2026-42528"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "2.4.0"
                },
                {
                  "fixed": "2.4.69"
                }
              ]
            }
          ],
          "package": {
            "name": "apache",
            "purl": "pkg:bitnami/apache",
            "ecosystem": "Bitnami"
          },
          "severity": [
            {
              "type": "CVSS_V3",
              "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
            }
          ],
          "database_specific": {
            "source": "https://github.com/bitnami/vulndb/tree/main/data/apache/BIT-apache-2026-42528.json"
          }
        }
      ],
      "modified": "2026-10-07T14:30:09.439373269Z",
      "provider": "osv",
      "references": [
        "https://httpd.apache.org/security/vulnerabilities_24.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-42528"
      ],
      "provider_metadata": {
        "cpes": [
          "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*"
        ],
        "severity": "Medium"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-42528",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 95101,
  "published_at": "2026-10-05T11:39:15.046+00:00"
}