What is CVE-2025-55554?

CVE-2025-55554 is a medium-severity vulnerability in Linuxfoundation Pytorch, classified under Integer Overflow or Wraparound. CVSS score: 5.3/10. Published 2025-09-25.

How severe is CVE-2025-55554?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2025-55554 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Linuxfoundation Pytorch

CVE-2025-55554

pytorch v2.8.0 was discovered to contain an integer overflow in the component torch.nan_to_num-.long().

Vulnerability class: Integer Overflow

Published 2025-09-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.003 (24.6th percentile), scored 2026-09-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Linuxfoundation Pytorch

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

github.com/pytorch/pytorch/issues/151510 (Issue Tracking)
gist.github.com/shaoyuyoung/0e7d2a586297ae9c8ed14d8706749efc (Third Party Advisory)

Frequently asked questions

What is CVE-2025-55554?: CVE-2025-55554 is a medium-severity vulnerability in Linuxfoundation Pytorch, classified under Integer Overflow or Wraparound. CVSS score: 5.3/10. Published 2025-09-25.
How severe is CVE-2025-55554?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2025-55554 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.