CVE-2022-34556 Null dereference in n/a

Medium 5.5 Published 28 Jul 2022 Updated 3 Aug 2024

A NULL pointer dereference in PicoC allows attackers to cause a denial of service via crafted input.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-34556?

CVE-2022-34556 is a medium-severity vulnerability in n/a, published on 28 Jul 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

PicoC v3.2.2 was discovered to contain a NULL pointer dereference at variable.c.

Weakness: CWE-476

Which versions are affected by CVE-2022-34556?

It affects 1 product.

Products include Picoc Project Picoc.

How do I fix CVE-2022-34556?

No fix has been published for CVE-2022-34556 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-34556 being exploited?

There is no known exploitation of CVE-2022-34556 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-xvf6-9729-5c9h.