medium
5.5
Advisory Published
CVE Published
Updated

CVE-2023-27956

First published: Mon Mar 27 2023(Updated: )

FontParser. The issue was addressed with improved memory handling.

Credit: Ye Zhang @VAR10CK Baidu SecurityYe Zhang Baidu SecurityYe Zhang Baidu SecurityYe Zhang @VAR10CK Baidu SecurityYe Zhang Baidu Security product-security@apple.com product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple tvOS<16.4
16.4
Apple watchOS<9.4
9.4
Apple iOS<15.7.4
15.7.4
Apple iPadOS<15.7.4
15.7.4
Apple Ipad Os<15.7.4
Apple Ipad Os>=16.0<16.4
Apple iPhone OS<15.7.4
Apple iPhone OS>=16.0<16.4
Apple macOS>=13.0<13.3
Apple tvOS<16.4
Apple watchOS<9.4
Apple macOS Ventura<13.3
13.3
Apple iOS<16.4
16.4
Apple iPadOS<16.4
16.4
Apple iPadOS<15.7.4
Apple iPadOS>=16.0<16.4

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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 the vulnerability ID of this issue?

    The vulnerability ID of this issue is CVE-2023-27956.

  • What is the severity of CVE-2023-27956?

    The severity of CVE-2023-27956 is medium, with a severity value of 5.5.

  • What software versions are affected by CVE-2023-27956?

    CVE-2023-27956 affects watchOS 9.4, tvOS up to 16.4, iOS up to 15.7.4, and macOS Ventura up to 13.3.

  • How can I fix CVE-2023-27956?

    To fix CVE-2023-27956, update your software to macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4, iOS 15.7.4 and iPadOS 15.7.4, tvOS 16.4, or watchOS 9.4.

  • What could happen if a maliciously crafted image is processed?

    Processing a maliciously crafted image may result in the disclosure of process memory.

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