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CVE-2018-4197

HighPublished

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...

Published: Apr 3, 2019
Updated: Aug 5, 2024
Assigning CNA: apple
Evidence observed: Sep 25, 2018

Primary CVSS

8.8/ 10High

nvd · CVSS 3.0

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS probability estimate

9.1%

Low · next 30 days

Percentile: 95.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

WebKit - 'WebCore::RenderTreeBuilder::removeAnonymousWrappersForInlineChildrenIfNeeded' Use-After-FreeExploit
Google Security Research · multiple · Sep 25, 2018

Responsible use

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