CVE-2019-8840

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in Xcode 11.3. Compiling with untrusted sources may lead to arbitrary code execution with user privileges.

Metrics

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

Weakness enumeration

CWE-125

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-2019-88417.8An information disclosure issue was addressed by removing the vulnerable code. This issue is fixed in iOS 13.3 and iPadOS 13.3. An applicatiCVE-2019-88423.3A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.2, Security Update 2019-002 MojavCVE-2019-88448.8Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 13.3, watchOS 6.1.1, iCloud for CVE-2019-88468.8A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 13.3, iCloud for Windows 10.9, iOS 13.3 anCVE-2019-88477.8A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.2, Security Update 2019-0CVE-2019-88487.8This issue was addressed with improved checks. This issue is fixed in tvOS 13.3, watchOS 6.1.1, iCloud for Windows 10.9, macOS Catalina 10.1CVE-2019-88499.8The issue was addressed by signaling that an executable stack is not required. This issue is fixed in SwiftNIO SSL 2.4.1. A SwiftNIO applicaCVE-2019-88505.5An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, iOS 13.1 and iPadOS 13.1, tCVE-2019-88517.5A logic issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15.2, Security Update 2019-002 Mojave, CVE-2019-88527.8A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.2, Security Update 2019-0CVE-2019-88535.5A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 MCVE-2019-88547.5A user privacy issue was addressed by removing the broadcast MAC address. This issue is fixed in macOS Catalina 10.15, watchOS 6, iOS 13, tv
CVE-2019-8840: High severity, CVSS 8.8 | Vulnix