CVE-2025-63397 Denial of service in n/a

Medium 6.5 Published Updated

Attackers can cause a segmentation fault in OneFlow by adding a Python sequence to native code during broadcasting or type conversion.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-63397?

CVE-2025-63397 is a medium-severity denial of service vulnerability in n/a, published on 10 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-20

Which versions are affected by CVE-2025-63397?

It affects 1 product.

Products include Oneflow Oneflow.

How do I fix CVE-2025-63397?

No fix has been published for CVE-2025-63397 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-63397 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63397 exists.

Sources

Also known as GHSA-5mr4-m32g-vmwq.

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