CVE-2019-8639

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in watchOS 5.2, iCloud for Windows 7.11, iOS 12.2, iTunes 12.9.4 for Windows, Safari 12.1. 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-787

Affected software

No affected versions have been published.

Timeline

Published
Oct 27, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2019

CVE-2019-86407.5A logic issue was addressed with improved validation. This issue is fixed in macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, SecCVE-2019-86419.8An out-of-bounds read was addressed with improved input validation.CVE-2019-86423.3An issue existed in the handling of S-MIME certificates. This issue was addressed with improved validation of S-MIME certificates. This issuCVE-2019-86439.8CVE-2019-8643: Arun Sharma of VMWare This issue is fixed in macOS Mojave 10.14. Description: A logic issue was addressed with improved stateCVE-2019-86448.8Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS CVE-2019-86456.5An issue existed in the handling of encrypted Mail. This issue was addressed with improved isolation of MIME in Mail. This issue is fixed inCVE-2019-86467.5An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOCVE-2019-86479.8A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.4, tvOS 12.4, watchOS 5.3. A remote attaCVE-2019-86489.8A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, waCVE-2019-86496.1A logic issue existed in the handling of synchronous page loads. This issue was addressed with improved state management. This issue is fixeCVE-2019-86546.5An inconsistent user interface issue was addressed with improved state management. This issue is fixed in Safari 13.0.1. Visiting a maliciouCVE-2019-86565.5This was addressed with additional checks by Gatekeeper on files mounted through a network share. This issue is fixed in macOS Mojave 10.14.
CVE-2019-8639: High severity, CVSS 8.8 | Vulnix