CVE-2019-8556

HIGH

iCloud < 7.11 - Use-After-Free via Malicious Web Content

Title source: llm

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.

References (5)

Core 5

Core References

Vendor Advisory x_refsource_misc

https://support.apple.com/HT209599

Vendor Advisory x_refsource_misc

https://support.apple.com/HT209601

Vendor Advisory x_refsource_misc

https://support.apple.com/HT209603

Vendor Advisory x_refsource_misc

https://support.apple.com/HT209604

Vendor Advisory x_refsource_misc

https://support.apple.com/HT209605

Scores

CVSS v3 8.8

EPSS 0.0142

EPSS Percentile 69.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE

CWE-416

Status published

Products (5)

apple/icloud < 7.11

apple/iphone_os < 12.2

apple/itunes < 12.9.4

apple/safari < 12.1

apple/tvos < 12.2

Published Dec 18, 2019

Tracked Since Feb 18, 2026