CVE-2021-46324 Memory corruption in n/a

High 7.8 Published 20 Jan 2022 Updated 4 Aug 2024

A stack buffer overflow in the Espruino JavaScript engine allows attackers to execute arbitrary code or cause a denial of service.

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-2021-46324?

CVE-2021-46324 is a high-severity memory corruption vulnerability in n/a, published on 20 Jan 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

Espruino 2v11.251 was discovered to contain a stack buffer overflow via src/jsvar.c in jsvNewFromString.

Weakness: CWE-787

Which versions are affected by CVE-2021-46324?

It affects 1 product.

Products include Espruino Espruino.

How do I fix CVE-2021-46324?

No fix has been published for CVE-2021-46324 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-2021-46324 being exploited?

There is no known exploitation of CVE-2021-46324 in the wild and no public exploit code.

Sources

Also known as GHSA-ppgm-7vhc-7c56.