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pytorch — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2025-63396

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).

Products
pytorch
Affected versions
1.7.1-7, 1.8.1-4, 2.12.1+dfsg-1, 2.6.0+dfsg-5build1, 2.6.0+dfsg-7, 2.6.0+dfsg-9, 2.9.1+dfsg-1~exp1ubuntu2
Fixed versions
Not specified
CVEs
CVE-2025-63396
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 01:48 UTC · Revision 1

Source evidence

UBUNTU-CVE-2025-63396

core-osv · Original source

Published 12 Nov 2025, 21:15 UTC

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).

osv:UBUNTU-CVE-2025-63396

pytorch

Fixed versions: Not specified

pytorch

Fixed versions: Not specified

pytorch

Fixed versions: Not specified

pytorch

Fixed versions: Not specified

Complete source record
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  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-63396",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-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:UBUNTU-CVE-2025-63396",
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          "type": "Ubuntu",
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      "modified": "2026-10-17T12:57:28.603477480Z",
      "provider": "osv",
      "upstream": [
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      "references": [
        "https://ubuntu.com/security/CVE-2025-63396",
        "https://www.cve.org/CVERecord?id=CVE-2025-63396",
        "https://github.com/Daisy2ang",
        "https://github.com/pytorch/pytorch"
      ]
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  "source_id": "core-osv",
  "document_id": 357561,
  "published_at": "2025-11-12T21:15:00+00:00"
}