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CVE-2025-63396

Good to know:

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Date: November 11, 2025

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).

Severity Score

Related Resources (6)

https://github.com/pytorch/pytorch
http://pytorch.com
https://github.com/pytorch/pytorch/issues/156563
https://github.com/Daisy2ang
https://nvd.nist.gov/vuln/detail/CVE-2025-63396
https://www.mend.io/vulnerability-database/CVE-2025-63396

Severity Score

Weakness Type (CWE)

Improper Locking

CWE-667

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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