CVE-2018-4359: Buffer Overflow

Published Sep 12, 2018
·
Updated

Last updated 25 August 2025

Other sources

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

Launchpad

WebKit. Multiple memory corruption issues were addressed with improved memory handling.

Credit

Samuel Groβ (saelo)(Trend Micro's Zero Day Initiative), Ivan Fratric(Google Project Zero), team (@bkth_ @5aelo @_niklasb)@@phoenhex(Trend Micro's Zero Day Initiative), Samuel Groß@@5aelo, William Bowling@@wcbowling, Samuel Groβ (saelo)(Trend Micro), team (@bkth_ @5aelo @_niklasb)@@phoenhex(Trend Micro)

Affected Software

17 affected componentsFixes available
Apple tvOS<12
12
Apple WatchOS<5
5
Apple iCloud for Windows<7.7
7.7
Apple iTunes for Windows<12.9
12.9
Apple Safari<12
12
Apple iOS<12
12
Apple Safari<12
Apple iPhone OS<12.0
Apple tvOS<12
Apple WatchOS<5.0
All of the following
Any of the following
Apple iCloud<7.7
Apple iTunes<12.9
Microsoft Windows
Apple iCloud<7.7
Apple iTunes<12.9
Microsoft Windows
debian/webkit2gtk
2.44.2-1~deb11u12.50.4-1~deb11u12.50.4-1~deb12u12.50.4-1~deb13u12.50.5-1

Event History

Apr 3, 2019
CVE Published
via MITRE·05:43 PM
Data Sourced
via MITRE·05:43 PM
DescriptionWeakness
Data Sourced
via NVD·06:29 PM
DescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:05 PM
Description
Feb 20, 2026
Data Sourced
via Ubuntu·08:01 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·08:01 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2018-4359?

The severity of CVE-2018-4359 is high, with a severity value of 8.8.

2

Which software versions are affected by CVE-2018-4359?

Versions prior to iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7 are affected by CVE-2018-4359.

3

How can I fix CVE-2018-4359?

To fix CVE-2018-4359, update your software to iOS 12 or later, tvOS 12 or later, watchOS 5 or later, Safari 12 or later, iTunes 12.9 or later for Windows, or iCloud for Windows 7.7 or later.

4

Are Microsoft Windows systems vulnerable to CVE-2018-4359?

No, Microsoft Windows systems are not vulnerable to CVE-2018-4359.

5

Where can I find more information about CVE-2018-4359?

You can find more information about CVE-2018-4359 on Apple's official support page: [https://support.apple.com/kb/HT209106](https://support.apple.com/kb/HT209106)

Contact

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CVE-2018-4359 - Buffer Overflow - SecAlerts