OSV-2025-147 UNKNOWN WRITE in ndpi_free_flow_data

Not scored Published

A memory corruption vulnerability in the nDPI library allows attackers to cause denial of service or potentially execute code via crafted network traffic.

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

What is OSV-2025-147?

OSV-2025-147 is a memory corruption vulnerability in ndpi, published on 22 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=397731142

Crash type: UNKNOWN WRITE
Crash state:
ndpi_free_flow_data
ndpi_flow_free
process_ndpi_collected_info

Which versions are affected by OSV-2025-147?

1 open source package ship an affected version, including ndpi.

PackageAffectedFixed in
ndpi OSS-FuzzAll versionsNone

How do I fix OSV-2025-147?

No fix has been published for OSV-2025-147 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is OSV-2025-147 being exploited?

There is no known exploitation of OSV-2025-147 in the wild and no public exploit code.

Sources

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