CVE-2023-27938 Memory corruption in macOS

What is CVE-2023-27938?

CVE-2023-27938 is a high-severity memory corruption vulnerability in Apple Macos, published on 8 May 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

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in GarageBand for macOS 10.4.8. Parsing a maliciously crafted MIDI file may lead to an unexpected application termination or arbitrary code execution.

Weakness: CWE-125

Which versions are affected by CVE-2023-27938?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2023-27938?

No fix has been published for CVE-2023-27938 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-2023-27938 being exploited?

There is no known exploitation of CVE-2023-27938 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-wppr-wxf6-xw36.