OSV-2026-659 Heap-buffer-overflow in ___interceptor_strncpy
A heap buffer overflow in the network protocol detection library allows remote attackers to execute arbitrary code or cause denial of service via crafted SSH 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-2026-659?
OSV-2026-659 is a memory corruption vulnerability in ndpi, published on 1 May 2026. 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=507904196
Crash type: Heap-buffer-overflow WRITE {*}
Crash state:
___interceptor_strncpy
concat_hash_string
ndpi_search_ssh_tcp
Which versions are affected by OSV-2026-659?
1 open source package ship an affected version, including ndpi.
| Package | Affected | Fixed in |
|---|---|---|
ndpi OSS-Fuzz | All versions | None |
How do I fix OSV-2026-659?
No fix has been published for OSV-2026-659 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-2026-659 being exploited?
There is no known exploitation of OSV-2026-659 in the wild and no public exploit code.