Security advisory

{
  "id": "298c462a91256f19c7a824cd921b923578b7f031dfae17d503f3ea94c6237b34",
  "url": "https://osv.dev/vulnerability/CVE-2023-33950",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-33950",
    "summary": "Pattern Redirects in Liferay Portal 7.4.3.48 through 7.4.3.76, and Liferay DXP 7.4 update 48 through 76 allows regular expressions that are vulnerable to ReDoS attacks to be used as patterns, which allows remote attackers to consume an excessive amount of server resources via crafted request URLs.",
    "evidence": "osv:CVE-2023-33950",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-33950",
      "aliases": [
        "BIT-liferay-2023-33950",
        "CVE-2023-33950",
        "GHSA-chrc-q6v3-jfv8"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/liferay/liferay-portal",
              "type": "GIT",
              "events": [
                {
                  "introduced": "441177abdb0a5d065cffded22efcaad0f142b75b"
                },
                {
                  "last_affected": "fe287ba43998cda2b4dd6700a8cb1ec6ddc90a8f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.4.3.48"
                      },
                      {
                        "last_affected": "7.4.3.76"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-33950.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:26.636694116Z",
      "provider": "osv",
      "references": [
        "https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/cve-2023-33950"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:liferay:digital_experience_platform:7.4:update48:*:*:*:*:*:*",
              "cpe:2.3:a:liferay:digital_experience_platform:7.4:update76:*:*:*:*:*:*"
            ],
            "vendor_product": "liferay:digital_experience_platform",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "7.4-update48"
                  },
                  {
                    "last_affected": "7.4-update48"
                  },
                  {
                    "introduced": "7.4-update76"
                  },
                  {
                    "last_affected": "7.4-update76"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-33950",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431650,
  "published_at": "2023-05-24T17:15:10.007+00:00"
}