high
8.8
CWE
20
Advisory Published
CVE Published
CVE Published
Updated

CVE-2018-4209: Input Validation

First published: Thu Mar 29 2018(Updated: )

In iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, tvOS before 11.3, watchOS before 4.3, iTunes before 12.7.4 for Windows, unexpected interaction causes an ASSERT failure. This issue was addressed with improved checks.

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

Affected SoftwareAffected VersionHow to fix
ubuntu/webkit2gtk<2.22.2-0ubuntu0.18.04.1
2.22.2-0ubuntu0.18.04.1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.2-1ubuntu1
2.22.2-1ubuntu1
ubuntu/webkit2gtk<2.22.0
2.22.0
debian/webkit2gtk
2.44.2-1~deb11u1
2.44.2-1~deb12u1
2.44.2-1
tvOS<11.3
11.3
Apple Mobile Safari<11.1
11.1
Apple Mobile Safari<11.1
iOS<11.3
tvOS<11.3
Apple iOS, iPadOS, and watchOS<4.3
All of
Any of
Apple iCloud for Windows<7.4
Apple iTunes for Windows<12.7.4
Microsoft Windows
Ubuntu Linux=18.04
WebKitGTK+<2.22.0
Apple iOS, iPadOS, and watchOS<11.3
11.3
Apple iOS, iPadOS, and watchOS<4.3
4.3
Apple iCloud<7.4
7.4
iStyle @cosme iPhone OS<11.3
Apple iCloud for Windows<7.4
Apple iTunes for Windows<12.7.4
Microsoft Windows
Ubuntu=18.04

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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-2018-4209?

    CVE-2018-4209 is a vulnerability in WebKit that can cause an ASSERT failure due to unexpected interaction.

  • What is the severity of CVE-2018-4209?

    CVE-2018-4209 has a severity score of 8.8, which is considered high.

  • Which software is affected by CVE-2018-4209?

    Affected software includes iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, tvOS before 11.3, watchOS before 4.3, and iTunes before 12.7.4 for Windows.

  • How can I fix CVE-2018-4209 on Ubuntu?

    To fix CVE-2018-4209 on Ubuntu, update the 'webkit2gtk' package to version 2.22.2-1ubuntu1 or later.

  • Where can I find more information about CVE-2018-4209?

    You can find more information about CVE-2018-4209 on the MITRE CVE website, the OSS Security mailing list, and the WebKitGTK security advisory WSA-2018-0007.

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