Improper Validation of Specified Type of Input in GitLab

{
  "id": "d5a3c1965691e636d5b41423420762c00cc0d4621601522c40db37ee5466f06d",
  "url": "https://osv.dev/vulnerability/CVE-2023-4522",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Improper Validation of Specified Type of Input in GitLab",
    "summary": "An issue has been discovered in GitLab affecting all versions before 16.2.0. Committing directories containing LF character results in 500 errors when viewing the commit.",
    "evidence": "osv:CVE-2023-4522",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-4522",
      "aliases": [
        "BIT-gitlab-2023-4522",
        "CVE-2023-4522"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/gitlab-org/gitlab",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3adc0fe6e7c163bedd7faa5f0c4d1e5fbb6bf3c5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "16.2.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "16.2.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v16.2.0-rc45-ee",
            "v16.2.0-rc44-ee",
            "v16.2.0-rc43-ee",
            "v16.2.0-rc42-ee",
            "11-10-0cfa69752d8-74ffd66ae-ee",
            "11-10-0cfa69752d8-0d9531c80-ee",
            "11-10-119f9509d50-6d7537235-ee",
            "v7.3.0-ee",
            "v7.3.0.rc1-ee",
            "v7.2.0.rc5-ee",
            "v7.2.0.rc4-ee",
            "v7.2.0.rc3-ee",
            "v7.2.0.rc2-ee",
            "v7.2.0.rc1-ee",
            "v7.1.0-ee",
            "v7.1.0.rc1-ee",
            "v7.0.0-ee",
            "v6.8.0-ee",
            "v6.7.0-ee",
            "v6.7.0.rc1-ee",
            "v6.6.0-ee",
            "v6.5.0-ee",
            "v6.4.0-ee",
            "v6.3.1-ee",
            "v6.3.0-ee",
            "v6.1.0-ee",
            "v6.0.0-ee",
            "v6.0.0-ee.rc1",
            "v6.0.0-ee.beta",
            "v5.2.0",
            "v5.1.0",
            "v5.0.0",
            "v4.0.0",
            "v4.0.0rc2",
            "v4.0.0rc1",
            "v3.1.0",
            "v3.0.3",
            "v3.0.2",
            "v3.0.1",
            "v3.0.0",
            "v2.9.1",
            "v2.9.0",
            "v2.8.2",
            "v2.8.1",
            "v2.8.0",
            "v2.8.0pre",
            "v2.7.0",
            "v2.7.0pre",
            "v2.6.3",
            "v2.6.2",
            "v2.6.1",
            "v2.6.0",
            "v2.6.0pre",
            "v2.5.0",
            "v2.4.1",
            "v2.4.0",
            "v2.4.0pre",
            "v2.3.1",
            "v2.3.0",
            "v2.3.0pre",
            "v1.2.2",
            "v1.2.1",
            "v1.2.0",
            "v1.2.0pre"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4522.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:26.243758261Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4522.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-4522",
        "https://gitlab.com/gitlab-org/gitlab/-/issues/406817",
        "https://hackerone.com/reports/1937213"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1287"
        ],
        "cna_assigner": "GitLab",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4522.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-4522",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 492844,
  "published_at": "2023-08-30T07:01:19.117+00:00"
}