Security advisory

{
  "id": "54fda4804a929fd232732af914a0913ffb7375821f2b3d5b9db36fe0084c17b3",
  "url": "https://osv.dev/vulnerability/CVE-2025-63396",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-63396",
    "summary": "An issue was discovered in PyTorch v2.5 and v2.7.1. Omission of profiler.stop() can cause torch.profiler.profile (PythonTracer) to crash or hang during finalization, leading to a Denial of Service (DoS).",
    "evidence": "osv:CVE-2025-63396",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2025-63396",
      "aliases": [
        "BIT-pytorch-2025-63396",
        "CVE-2025-63396",
        "PYSEC-2025-210"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pytorch/pytorch",
              "type": "GIT",
              "events": [
                {
                  "introduced": "32f585d9346e316e554c8d9bf7548af9f62141fc"
                },
                {
                  "last_affected": "e2d141dbde55c2a4370fac5165b0561b6af4798b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:linuxfoundation:pytorch:2.5.0:-:*:*:*:python:*:*",
                    "range": [
                      {
                        "introduced": "2.5.0-NA"
                      },
                      {
                        "last_affected": "2.5.0-NA"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:linuxfoundation:pytorch:2.7.1:-:*:*:*:python:*:*",
                    "range": [
                      {
                        "introduced": "2.7.1-NA"
                      },
                      {
                        "last_affected": "2.7.1-NA"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.5.0-NA",
            "2.7.1-NA"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-63396.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:44.784976913Z",
      "provider": "osv",
      "references": [
        "https://github.com/Daisy2ang",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/63xxx/CVE-2025-63396.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-63396",
        "https://github.com/pytorch/pytorch/issues/156563",
        "https://github.com/pytorch/pytorch"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/63xxx/CVE-2025-63396.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-63396",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 512632,
  "published_at": "2025-11-12T00:00:00+00:00"
}