CVE-2018-4315: Use After Free

Published Sep 12, 2018
·
Updated

A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

Other sources

WebKit. A use after free issue was addressed with improved memory management.

Credit

Ivan Fratric(Google Project Zero)

Affected Software

15 affected componentsFixes available
Apple tvOS<12
12
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 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
All of the following
Any of the following
Apple iCloud<7.7
Apple iTunes<12.9
Microsoft Windows

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.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2018-4315?

CVE-2018-4315 is a vulnerability in WebKit that allows for a use after free issue.

2

Which software versions are affected by CVE-2018-4315?

Versions of iOS prior to 12, tvOS prior to 12, Safari prior to 12, iTunes prior to 12.9 for Windows, and iCloud for Windows 7.7 are affected by CVE-2018-4315.

3

How can I fix CVE-2018-4315?

To fix CVE-2018-4315, update to iOS 12 or later, tvOS 12 or later, Safari 12 or later, iTunes 12.9 for Windows or later, and iCloud for Windows 7.7 or later.

4

What is the severity of CVE-2018-4315?

CVE-2018-4315 has a severity rating of 8.8 (high).

5

Where can I find more information about CVE-2018-4315?

You can find more information about CVE-2018-4315 on the Apple support website.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203