OSV-2025-81 Segv on unknown address in ndpi_serialize_string_string

Not scored Published

A segmentation fault in the nDPI library's JSON serialization function can cause a denial of service when processing crafted network packets.

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-2025-81?

OSV-2025-81 is a memory corruption vulnerability in ndpi, published on 2 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=393404264

Crash type: Segv on unknown address
Crash state:
ndpi_serialize_string_string
ndpi_dpi2json
fuzz_process_packet.c

Which versions are affected by OSV-2025-81?

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

PackageAffectedFixed in
ndpi OSS-FuzzAll versionsNone

How do I fix OSV-2025-81?

No fix has been published for OSV-2025-81 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-2025-81 being exploited?

There is no known exploitation of OSV-2025-81 in the wild and no public exploit code.

Sources

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