Security advisory

{
  "id": "215b19d0128b016abc93b0a834a91226bd0cf7d8a82749ddfee97d857ca0db08",
  "url": "https://osv.dev/vulnerability/CVE-2019-11390",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-11390",
    "summary": "An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-933-APPLICATION-ATTACK-PHP.conf allows remote attackers to cause a denial of service (ReDOS) by entering a specially crafted string with set_error_handler# at the beginning and nested repetition operators. NOTE: the software maintainer disputes that this is a vulnerability because the issue cannot be exploited via ModSecurity",
    "evidence": "osv:CVE-2019-11390",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-11390",
      "aliases": [
        "CVE-2019-11390"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/spiderlabs/owasp-modsecurity-crs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "ab24a20faf28156f0495b0c07f2ff37860a3defe"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:modsecurity:owasp_modsecurity_core_rule_set:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.1.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.1.0-rc2",
            "v3.1.0",
            "v3.1.0-rc1",
            "v3.0.1",
            "v3.0.0-rc3",
            "v3.0.0-rc2",
            "v3.0.0-rc1",
            "2.2.7",
            "v2.2.6",
            "v2.2.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11390.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:18.747339460Z",
      "provider": "osv",
      "references": [
        "https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1358",
        "https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1372"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-11390",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383546,
  "published_at": "2019-04-21T02:29:00.427+00:00"
}