high
7.8
CWE
20 125
Advisory Published
CVE Published
Updated

CVE-2023-27949: 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, macOS Monterey 12.6.4, iOS 15.7.4 and iPadOS 15.7.4. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution

Credit: Mickey Jin @patch1t Mickey Jin @patch1t Mickey Jin @patch1t product-security@apple.com product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iOS<15.7.4
15.7.4
Apple iPadOS<15.7.4
15.7.4
Apple Ipad Os<15.7.4
Apple iPhone OS<15.7.4
Apple macOS>=12.0<12.6.4
Apple macOS>=13.0<13.3
Apple macOS Ventura<13.3
13.3
Apple macOS Monterey<12.6.4
12.6.4
Apple iPadOS<15.7.4

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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-2023-27949?

    CVE-2023-27949 is a vulnerability in Model I/O that allows for an out-of-bounds read, which has been addressed with improved input validation.

  • What is the severity of CVE-2023-27949?

    The severity of CVE-2023-27949 is high, with a severity value of 7.8.

  • How does CVE-2023-27949 affect Apple iOS?

    CVE-2023-27949 affects Apple iOS versions up to and excluding 15.7.4, leading to unexpected app termination or arbitrary code execution when processing a maliciously crafted file.

  • How does CVE-2023-27949 affect Apple macOS?

    CVE-2023-27949 affects Apple macOS versions between 12.0 and 12.6.4, as well as versions between 13.0 and 13.3, leading to unexpected app termination or arbitrary code execution when processing a maliciously crafted file.

  • How do I fix CVE-2023-27949?

    CVE-2023-27949 is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4, iOS 15.7.4, and iPadOS 15.7.4. Update to the respective versions to address the vulnerability.

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