7.5
CWE
125
Advisory Published
CVE Published
Updated

CVE-2018-4203

First published: Mon Sep 17 2018(Updated: )

Symptom Framework. An out-of-bounds read was addressed with improved bounds checking.

Credit: Bruno Keith @bkth_ Trend MicroBruno Keith @bkth_ Trend Micro's Zero Day InitiativeBruno Keith @bkth_ Trend MicroBruno Keith @bkth_ Trend MicroBruno Keith @bkth_ Trend Micro product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iPhone OS<12.0
Apple Mac OS X<10.14
Apple tvOS<12
Apple watchOS<5.0
Apple watchOS<5
5
Apple macOS Mojave<10.14
10.14
Apple iOS<12
12
Apple macOS Mojave<10.14.1
10.14.1
Apple High Sierra
Apple Sierra
Apple tvOS<12
12

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Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2018-4203?

    CVE-2018-4203 is a vulnerability in the Symptom Framework that allows an attacker to perform an out-of-bounds read.

  • How does CVE-2018-4203 affect Apple devices?

    CVE-2018-4203 affects versions of iOS, macOS Mojave, tvOS, and watchOS prior to iOS 12, macOS Mojave 10.14, tvOS 12, and watchOS 5.

  • What is the severity of CVE-2018-4203?

    CVE-2018-4203 has a severity rating of 7.5, which is considered high.

  • How can I fix CVE-2018-4203?

    To fix CVE-2018-4203, update to iOS 12, macOS Mojave 10.14, tvOS 12, or watchOS 5.

  • Where can I find more information about CVE-2018-4203?

    You can find more information about CVE-2018-4203 on the Apple support website. Here are some links: [Link 1](https://support.apple.com/en-us/HT209193), [Link 2](https://support.apple.com/kb/HT209106), [Link 3](https://support.apple.com/kb/HT209107).

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