CVE-2021-46528 Null dereference in n/a

Medium 5.5 Published Updated

A null pointer dereference in the MJS JavaScript engine allows attackers to cause a denial of service via a 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-2021-46528?

CVE-2021-46528 is a medium-severity vulnerability in Cesanta Mjs, 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

Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /usr/local/bin/mjs+0x5361e. This vulnerability can lead to a Denial of Service (DoS).

Which versions are affected by CVE-2021-46528?

It affects 1 product.

Products include Cesanta Mjs.

How do I fix CVE-2021-46528?

No fix has been published for CVE-2021-46528 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-46528 being exploited?

There is no known exploitation of CVE-2021-46528 in the wild and no public exploit code.

All Cesanta Mjs vulnerabilities

Sources

Also known as GHSA-vwj8-hgq2-g82x.

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