CVE-2021-46483 Memory corruption in n/a

High 7.8 Published Updated

A heap buffer overflow in the Jsish 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-2021-46483?

CVE-2021-46483 is a high-severity memory corruption vulnerability in Jsish Jsish, published on 25 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 heap buffer overflow via BooleanConstructor at src/jsiBool.c.

Weakness: CWE-787

Which versions are affected by CVE-2021-46483?

It affects 1 product.

Products include Jsish Jsish.

How do I fix CVE-2021-46483?

No fix has been published for CVE-2021-46483 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-2021-46483 being exploited?

There is no known exploitation of CVE-2021-46483 in the wild and no public exploit code.

All Jsish Jsish vulnerabilities

Sources

Also known as GHSA-82pr-42q2-4qr6.

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