CVE-2019-8526 Apple macOS Use-After-Free

Exploited in the wild High 7.8 Published Updated

A use-after-free vulnerability in macOS allows an application to gain elevated privileges, requiring a system update to mitigate.

Exploited in the wild
Since 17 Apr 2023
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-8526?

CVE-2019-8526 is a high-severity use after free vulnerability in Apple Mac Os X, published on 18 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.4. An application may be able to gain elevated privileges.

Weakness: CWE-416

Which versions are affected by CVE-2019-8526?

It affects 1 product.

Products include Apple Mac Os X.

How do I fix CVE-2019-8526?

No fix has been published for CVE-2019-8526 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 8 May 2023.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2019-8526 being exploited?

Yes. Attackers have exploited CVE-2019-8526 in the wild since at least 17 Apr 2023.

All Apple Mac Os X vulnerabilities

Sources

Also known as GHSA-p8m9-gxw7-g5pf.

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