CVE-2019-8556

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Dec 18, 2019
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2019

CVE-2019-85588.8Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, SafCVE-2019-85598.8Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, SafCVE-2019-85605.5An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOSCVE-2019-85617.8A logic issue was addressed with improved validation. This issue is fixed in macOS Mojave 10.14.4. A malicious application may be able to elCVE-2019-85629.6A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 forCVE-2019-85638.8Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, SafCVE-2019-85647.5A logic issue was addressed with improved validation. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, SecCVE-2019-85657.0A race condition was addressed with additional validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4. A malicious application maCVE-2019-85663.3An API issue existed in the handling of microphone data. This issue was addressed with improved validation. This issue is fixed in iOS 12.2.CVE-2019-85677.5A user privacy issue was addressed by removing the broadcast MAC address. This issue is fixed in iOS 12.2. A device may be passively trackedCVE-2019-85685.5A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed iCVE-2019-85696.7A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.5, Security Update 2019-003
CVE-2019-8556: High severity, CVSS 8.8 | Vulnix