critical
9.3
CWE
119
Advisory Published
CVE Published
Updated

CVE-2018-4126: Buffer Overflow

First published: Wed Sep 12 2018(Updated: )

CFNetwork. A memory corruption issue was addressed with improved memory handling.

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 MicroBruno Keith @bkth_ Trend MicroBruno Keith @bkth_ Trend Micro product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iTunes for Windows<12.9
12.9
Apple iCloud for Windows<7.7
7.7
Apple macOS Mojave<10.14
10.14
Apple watchOS<5
5
Apple macOS Mojave<10.14.1
10.14.1
Apple High Sierra
Apple Sierra
Apple tvOS<12
12
Apple iOS<12
12
Apple iPhone OS<12.0
Apple Mac OS X<10.14
Apple tvOS<12
Apple watchOS<5.0
Apple iCloud<7.7
Apple iTunes<12.9
Microsoft Windows

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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 severity of CVE-2018-4126?

    The severity of CVE-2018-4126 is critical.

  • Which software versions are affected by CVE-2018-4126?

    The affected software versions are iOS versions prior to 12, macOS Mojave versions prior to 10.14.1, tvOS versions prior to 12, watchOS versions prior to 5, iTunes for Windows versions prior to 12.9, and iCloud for Windows versions prior to 7.7.

  • What is the remedy for CVE-2018-4126?

    To fix CVE-2018-4126, update to iOS 12, macOS Mojave 10.14.1, tvOS 12, watchOS 5, iTunes 12.9 for Windows, or iCloud for Windows 7.7.

  • Where can I find more information about CVE-2018-4126?

    You can find more information about CVE-2018-4126 on the Apple support website at the following links: [link1](https://support.apple.com/en-us/HT209193), [link2](https://support.apple.com/kb/HT209106), [link3](https://support.apple.com/kb/HT209107).

  • What is the Common Weakness Enumeration (CWE) identifier for CVE-2018-4126?

    The CWE identifier for CVE-2018-4126 is CWE-119.

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