medium
5.5
CWE
20 125
Advisory Published
CVE Published
Updated

CVE-2023-27939: Input Validation

First published: Mon Mar 27 2023(Updated: )

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3. Processing an image may result in disclosure of process memory.

Credit: jzhu Trend Micro Zero Day InitiativeMeysam Firouzi @R00tkitSMM Mbition MercedesMeysam Firouzi @R00tkitSMM Mbition MercedesMeysam Firouzi @R00tkitSMM Mbition Mercedesjzhu Trend Micro Zero Day InitiativeMeysam Firouzi @R00tkitSMM Mbition Mercedes product-security@apple.com product-security@apple.com

Affected SoftwareAffected VersionHow to fix
<13.3
13.3
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-2023-27939?

    CVE-2023-27939 is a vulnerability in ImageIO that allows an out-of-bounds read, which has been addressed with improved input validation.

  • How does CVE-2023-27939 affect macOS Ventura?

    CVE-2023-27939 affects macOS Ventura 13.3, where processing an image may result in disclosure of process memory.

  • How severe is CVE-2023-27939?

    CVE-2023-27939 has a severity rating of 5.5, which is considered medium.

  • How can I fix CVE-2023-27939?

    To fix CVE-2023-27939, update your macOS Ventura to version 13.3 or later.

  • Where can I find more information about CVE-2023-27939?

    You can find more information about CVE-2023-27939 on the Apple support website: [link](https://support.apple.com/en-us/HT213670)

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