Improper input validation in OneFlow v0.9.0 allows attackers to cause a segmentation fault via adding a Python sequence to the native code during broadcasting/type conversion.
Conclusion & alert: CVE-2025-63397 is rated Exploit Available (50/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.06%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-13 | 0.02% | 0.06% | +0.04% |
| 2 | 2025-11-11 | — | 0.02% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
3.9 | 2.5 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| URL | Tags |
|---|---|
| http://oneflow.com | Product |
| https://github.com/Daisy2ang | Not Applicable |
| https://github.com/Oneflow-Inc/oneflow | Product |
| https://github.com/Oneflow-Inc/oneflow/issues/10666 | Exploit Issue Tracking Patch |