Inefficient Regular Expression Complexity in GitLab

{
  "id": "2871765fd8f87a269c36946511080cedb4ceabdc5e040b1c73d6431e7f5dd75b",
  "url": "https://osv.dev/vulnerability/CVE-2023-3210",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Inefficient Regular Expression Complexity in GitLab",
    "summary": "An issue has been discovered in GitLab affecting all versions starting from 15.11 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. An authenticated user could trigger a denial of service when importing or cloning malicious content.",
    "evidence": "osv:CVE-2023-3210",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-3210",
      "aliases": [
        "BIT-gitlab-2023-3210",
        "CVE-2023-3210"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/gitlab-org/gitlab",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4dce6bc3728f63bc9086ff3088cda7527f6f0bec"
                },
                {
                  "fixed": "075efefa5f88454cb1afda1f0270e91edcb55ed3"
                },
                {
                  "introduced": "3adc0fe6e7c163bedd7faa5f0c4d1e5fbb6bf3c5"
                },
                {
                  "fixed": "16c20745a286eb674f48366d84abe5f4dd5fb2c6"
                },
                {
                  "introduced": "3dfd4e0bcc7eae4330e7fed87ec74bee9a8bdf2d"
                },
                {
                  "last_affected": "3dfd4e0bcc7eae4330e7fed87ec74bee9a8bdf2d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "15.11"
                      },
                      {
                        "fixed": "16.1.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "15.11"
                      },
                      {
                        "fixed": "16.1.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "16.2"
                      },
                      {
                        "fixed": "16.2.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "16.2"
                      },
                      {
                        "fixed": "16.2.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:16.3.0:*:*:*:community:*:*:*",
                    "range": [
                      {
                        "introduced": "16.3.0"
                      },
                      {
                        "last_affected": "16.3.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:16.3.0:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "16.3.0"
                      },
                      {
                        "last_affected": "16.3.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "16.3.0",
            "v16.2.4-ee",
            "v16.2.3-ee",
            "v16.3.0-ee",
            "v16.2.1-ee",
            "v16.2.0-ee"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-3210.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:51.257688056Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3210.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-3210",
        "https://gitlab.com/gitlab-org/gitlab/-/issues/415074",
        "https://hackerone.com/reports/2011474"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1333"
        ],
        "cna_assigner": "GitLab",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3210.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-3210",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 519726,
  "published_at": "2023-09-01T10:31:06.983+00:00"
}