CVE-2025-15382 Client SCP Request Triggers Buffer Overread by 1 Byte

Medium 5.1 Published 6 Jan 2026 Updated 6 Jan 2026

An authenticated attacker can trigger a 1-byte heap over-read in wolfSSH via crafted SCP paths, potentially causing crashes or leaking memory.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-15382?

CVE-2025-15382 is a medium-severity memory corruption vulnerability in wolfSSL wolfSSH, published on 6 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A heap buffer over-read vulnerability exists in the wolfSSH_CleanPath() function in wolfSSH. An authenticated remote attacker can trigger the issue via crafted SCP path input containing '/./' sequences, resulting in a heap over read by 1 byte.

Weakness: CWE-125

Which versions are affected by CVE-2025-15382?

It affects 1 product.

Products include Wolfssh Wolfssh.

How do I fix CVE-2025-15382?

No fix has been published for CVE-2025-15382 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 CVE-2025-15382 being exploited?

There is no known exploitation of CVE-2025-15382 in the wild and no public exploit code.

Sources

Also known as GHSA-6mw8-c4j3-m9rv.