medium
6.5
CWE
119
Advisory Published
CVE Published
Updated

CVE-2018-4270: Buffer Overflow

First published: Mon Jul 09 2018(Updated: )

A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

Credit: found by OSS-Fuzz product-security@apple.com

Affected SoftwareAffected VersionHow to fix
debian/webkit2gtk
2.44.2-1~deb11u1
2.44.3-1~deb11u1
2.44.2-1~deb12u1
2.44.3-1~deb12u1
2.46.0-2
2.46.1-1
tvOS<11.4.1
11.4.1
Apple Mobile Safari<11.1.2
11.1.2
Apple iOS, iPadOS, and watchOS<11.4.1
11.4.1
Apple iOS, iPadOS, and watchOS<4.3.2
4.3.2
Apple iCloud<7.6
7.6
Apple iTunes<12.8
12.8
Apple Mobile Safari<11.1.2
iStyle @cosme iPhone OS<11.4.1
tvOS<11.4.1
Apple iOS, iPadOS, and watchOS<4.3.2
All of
Any of
Apple iCloud for Windows<7.6
Apple iTunes for Windows<12.8
Microsoft Windows
Apple iCloud for Windows<7.6
Apple iTunes for Windows<12.8
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-2018-4270?

    The severity of CVE-2018-4270 is medium with a CVSS score of 6.5.

  • Which software versions are affected by CVE-2018-4270?

    Versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6 are affected by CVE-2018-4270.

  • How can I fix CVE-2018-4270?

    To fix CVE-2018-4270, you need to update to the latest versions of the affected software: iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

  • Where can I find more information about CVE-2018-4270?

    You can find more information about CVE-2018-4270 on the MITRE website and the Apple support page.

  • What is the CWE ID of CVE-2018-4270?

    The CWE ID of CVE-2018-4270 is 119.

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