Low severity · published Nov 12, 2025
CVE-2025-63396
An issue was discovered in PyTorch v2.5 and v2.7.1
3.3
CVSS
0.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PY
Pytorch · Linuxfoundation
2.5.0; 2.7.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-63396
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-63396
Not Applicable
https://github.com/Daisy2ang
Product
https://github.com/pytorch/pytorch
Exploit
https://github.com/pytorch/pytorch/issues/156563
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