CVE-2020-3839 Information disclosure in macOS

Medium 5.5 Published Updated

An application can read restricted memory due to insufficient input validation, potentially exposing sensitive data.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-3839?

CVE-2020-3839 is a medium-severity vulnerability in Apple Mac Os X, published on 27 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Catalina 10.15.3. An application may be able to read restricted memory.

Weakness: CWE-20

Which versions are affected by CVE-2020-3839?

It affects 1 product.

Products include Apple Mac Os X.

How do I fix CVE-2020-3839?

No fix has been published for CVE-2020-3839 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-3839 being exploited?

There is no known exploitation of CVE-2020-3839 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as GHSA-3f62-5j9w-457w.

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