CVE-2018-4258 Memory corruption in n/a

Critical 9.8 Published 11 Jan 2019 Updated 5 Aug 2024

A buffer overflow in macOS allows attackers to execute arbitrary code or escalate privileges via improved bounds checking fixes.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-4258?

CVE-2018-4258 is a critical memory corruption vulnerability in Apple Mac Os X, published on 11 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In macOS High Sierra before 10.13.5, a buffer overflow was addressed with improved bounds checking.

Weakness: CWE-119

Which versions are affected by CVE-2018-4258?

It affects 1 product.

Products include Apple Mac Os X.

How do I fix CVE-2018-4258?

No fix has been published for CVE-2018-4258 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-2018-4258 being exploited?

There is no known exploitation of CVE-2018-4258 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as GHSA-mw67-7vxx-7gvq.