CVE-2023-27958 Memory corruption in macOS

What is CVE-2023-27958?

CVE-2023-27958 is a critical memory corruption vulnerability in Apple Macos, published on 8 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

Weakness: CWE-770

Which versions are affected by CVE-2023-27958?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2023-27958?

No fix has been published for CVE-2023-27958 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-2023-27958 being exploited?

There is no known exploitation of CVE-2023-27958 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-j23x-w7m9-8c47.