CVE-2025-63396: An issue was discovered in PyTorch v2.5 and v2.7.1. Omission of profiler.stop() can cause torch.profiler.profile (Python
Summary
PyTorch versions 2.5 and 2.7.1 have a bug where forgetting to call profiler.stop() can cause torch.profiler.profile (a Python tool that measures code performance) to crash or hang, resulting in a Denial of Service (DoS, where a system becomes unavailable). The underlying issue involves improper locking (a mechanism that controls how multiple processes access shared resources).
Vulnerability Details
3.3(low)
EPSS: 0.0%
Classification
Taxonomy References
Affected Vendors
Related Issues
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Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-63396
First tracked: February 15, 2026 at 08:37 PM
Classified by LLM (prompt v3) · confidence: 92%