Security advisory

{
  "id": "255f1381d11d88fe4062cb4eb402c07479c2b8ff6c8a098e1bbe698281d96cec",
  "url": "https://osv.dev/vulnerability/CVE-2023-26924",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-26924",
    "summary": "LLVM a0dab4950 has a segmentation fault in mlir::outlineSingleBlockRegion. NOTE: third parties dispute this because the LLVM security policy excludes \"Language front-ends ... for which a malicious input file can cause undesirable behavior.\"",
    "evidence": "osv:CVE-2023-26924",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-26924",
      "aliases": [
        "CVE-2023-26924"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/llvm/llvm-project",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "a0dab4950"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "a0dab4950"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-26924.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.470764127Z",
      "provider": "osv",
      "references": [
        "https://gist.github.com/Colloportus0/fc16d10d74aedf89d5d1d020ebb89c0c",
        "https://llvm.org/docs/Security.html#what-is-considered-a-security-issue",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26924.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-26924",
        "https://github.com/llvm/llvm-project/issues/60216"
      ],
      "provider_metadata": {
        "isDisputed": true,
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26924.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-26924",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 517803,
  "published_at": "2023-03-27T00:00:00+00:00"
}