CVE-2025-63396

Description

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).

CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-667 CWE-667

Affected Products

Vendor	Product	Versions
linuxfoundation	pytorch	All
linuxfoundation	pytorch	All

References

Exploits

https://github.com/pytorch/pytorch/issues/156563

Other References

http://pytorch.com https://github.com/Daisy2ang https://github.com/pytorch/pytorch

Frequently Asked Questions

What is 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). It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-63396? +

CVE-2025-63396 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-63396? +

CVE-2025-63396 affects products from linuxfoundation, specifically: pytorch. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-63396? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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