Is torch affected by CVE-2025-55551?

PyPI torch is affected in <2.9.0.

Is CVE-2025-55551 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

high

CVE-2025-55551

Q: Is CVE-2025-55551 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

PyPI · torch

Summary

An issue in the component torch.linalg.lu of pytorch v2.8.0 allows attackers to cause a Denial of Service (DoS) when performing a slice operation.

Severity: high
EPSS: 0.4% (p31)
Also known as: BIT-pytorch-2025-55551, PYSEC-2025-203
Published: 2025-09-25

References

https://gist.github.com/shaoyuyoung/0e7d2a586297ae9c8ed14d8706749efc
https://github.com/pytorch/pytorch/issues/151401

Related advisories

CVE-2025-32434 — critical · PyPI/torch
CVE-2026-4538 — high · PyPI/torch
CVE-2025-55560 — high · PyPI/torch
CVE-2025-55558 — high · PyPI/torch
CVE-2025-55557 — high · PyPI/torch
CVE-2025-55553 — high · PyPI/torch
CVE-2025-55552 — high · PyPI/torch
CVE-2025-2148 — high · PyPI/torch

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.