CVE-2023-42854 Denial of service in macOS

What is CVE-2023-42854?

CVE-2023-42854 is a medium-severity denial of service vulnerability in Apple Macos, published on 25 Oct 2023. 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

This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sonoma 14.1, macOS Monterey 12.7.1, macOS Ventura 13.6.1. An app may be able to cause a denial-of-service to Endpoint Security clients.

Which versions are affected by CVE-2023-42854?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2023-42854?

No fix has been published for CVE-2023-42854 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-42854 being exploited?

There is no known exploitation of CVE-2023-42854 in the wild and no public exploit code.

Other vulnerabilities in Apple Macos

• CVE-2026-65400 Apple macOS Improper Authentication Exploited Critical 9.8
• CVE-2024-44146 Security feature bypass in macOS Critical 10.0
• CVE-2024-44148 Security feature bypass in macOS Critical 10.0
• CVE-2023-38586 Security feature bypass in macOS Critical 10.0
• CVE-2023-40455 Security feature bypass in macOS Critical 10.0

All Apple Macos vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6w99-p6vc-wh73.