high
8.8
CWE
119
Advisory Published
CVE Published
Updated

CVE-2018-4386: Buffer Overflow

First published: Tue Oct 30 2018(Updated: )

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

Credit: HyungSeok Han DongHyeon Oh Sang Kil Cha KAIST Softsec LabKorea lokihardt Google Project Zerozhunki 360 ESG Codesafe Teamngg alippai DirtYiCE KT Tresorit working with Trend MicroYu Haiwan Wu Hongjun Nanyang Technological University working with Trend Micro010 Trend Micro product-security@apple.com

Affected SoftwareAffected VersionHow to fix
tvOS<12.1
12.1
Apple Mobile Safari<12.0.1
12.0.1
Apple iOS, iPadOS, and watchOS<12.1
12.1
Apple iOS, iPadOS, and watchOS<5.1
5.1
Apple iCloud<7.8
7.8
Apple iTunes<12.9.1
12.9.1
Apple Mobile Safari<12.0.1
iStyle @cosme iPhone OS<12.1
tvOS<12.1
Apple iOS, iPadOS, and watchOS<5.1
Apple iCloud for Windows<7.8
Apple iTunes for Windows<12.9.1
Microsoft Windows

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2018-4386?

    CVE-2018-4386 is a vulnerability in WebKit that allows for multiple memory corruption issues.

  • Which versions are affected by CVE-2018-4386?

    Versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8 are affected.

  • What is the severity of CVE-2018-4386?

    CVE-2018-4386 has a severity rating of 8.8 (High).

  • How can I fix CVE-2018-4386?

    To fix CVE-2018-4386, it is recommended to update to the latest versions of iOS, tvOS, watchOS, Safari, iTunes, and iCloud for Windows.

  • Where can I find more information about CVE-2018-4386?

    You can find more information about CVE-2018-4386 at the following references: [1](http://packetstormsecurity.com/files/155871/Sony-Playstation-4-Webkit-Code-Execution.html), [2](https://support.apple.com/kb/HT209192), [3](https://support.apple.com/kb/HT209194).

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203