high
7.8
CWE
20 787
Advisory Published
CVE Published
Updated

CVE-2023-27936: Input Validation

First published: Mon Mar 27 2023(Updated: )

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3, iOS 15.7.4 and iPadOS 15.7.4, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. An app may be able to cause unexpected system termination or write kernel memory.

Credit: Tingting Yin Tsinghua UniversityTingting Yin Tsinghua UniversityTingting Yin Tsinghua UniversityTingting Yin Tsinghua University product-security@apple.com product-security@apple.com

Affected SoftwareAffected VersionHow to fix
<13.3
13.3
Apple iOS<15.7.4
15.7.4
Apple iPadOS<15.7.4
15.7.4
Apple macOS Big Sur<11.7.5
11.7.5
<12.6.4
12.6.4
Apple iPadOS<15.7.4
Apple iPhone OS<15.7.4
Apple macOS<11.7.5
Apple macOS>=12.0<12.6.4
Apple macOS>=13.0<13.3

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2023-27936?

    CVE-2023-27936 is an out-of-bounds write vulnerability in CommCenter that has been fixed with improved input validation.

  • How does CVE-2023-27936 affect Apple devices?

    CVE-2023-27936 affects macOS Ventura 13.3, iOS 15.7.4, iPadOS 15.7.4, macOS Monterey 12.6.4, and macOS Big Sur 11.7.5.

  • What is the severity of CVE-2023-27936?

    The severity of CVE-2023-27936 is high, with a CVSS score of 7.8.

  • How can I fix CVE-2023-27936?

    To fix CVE-2023-27936, update your Apple devices to the following versions: macOS Ventura 13.3, iOS 15.7.4, iPadOS 15.7.4, macOS Monterey 12.6.4, or macOS Big Sur 11.7.5.

  • What are some references for CVE-2023-27936?

    You can find more information about CVE-2023-27936 on the following references: [Apple Support - HT213675](https://support.apple.com/en-us/HT213675), [Apple Support - HT213673](https://support.apple.com/en-us/HT213673), [Apple Support - HT213670](https://support.apple.com/en-us/HT213670).

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