CVE-2021-46492 Null dereference in n/a

Medium 5.5 Published 27 Jan 2022 Updated 4 Aug 2024

A null pointer dereference in Jsish allows attackers to cause a denial of service via crafted function invocations.

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-2021-46492?

CVE-2021-46492 is a medium-severity vulnerability in Jsish Jsish, published on 27 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

Jsish v3.5.0 was discovered to contain a SEGV vulnerability via Jsi_FunctionInvoke at src/jsiFunc.c. This vulnerability can lead to a Denial of Service (DoS).

Which versions are affected by CVE-2021-46492?

It affects 1 product.

Products include Jsish Jsish.

How do I fix CVE-2021-46492?

No fix has been published for CVE-2021-46492 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-46492 being exploited?

There is no known exploitation of CVE-2021-46492 in the wild and no public exploit code.

All Jsish Jsish vulnerabilities

Sources

Also known as GHSA-xqv8-5r47-5vxw.