CVE-2019-8503

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

A logic issue was addressed with improved validation. 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. A malicious website may be able to execute scripts in the context of another website.

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-20

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-2019-85045.5A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4. A local usCVE-2019-85056.1A logic issue was addressed with improved validation. This issue is fixed in iOS 12.2, Safari 12.1. Enabling the Safari Reader feature on a CVE-2019-85068.8A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTCVE-2019-85075.5Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Mojave 10.14.4. Processing malCVE-2019-85087.8A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Mojave 10.14.4. Mounting a maliciously crafted NCVE-2019-85097.8This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and SecurCVE-2019-85105.5An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issCVE-2019-85117.8A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, watchOS 5.2. A mCVE-2019-85125.7This issue was addressed with improved transparency. This issue is fixed in iOS 12.2. A user may authorize an enterprise administrator to reCVE-2019-85137.8This issue was addressed with improved checks. This issue is fixed in macOS Mojave 10.14.4. A local user may be able to execute arbitrary shCVE-2019-85147.8A logic issue was addressed with improved state management. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. ACVE-2019-85156.5A cross-origin issue existed with the fetch API. This was addressed with improved input validation. This issue is fixed in iOS 12.2, tvOS 12
CVE-2019-8503: High severity, CVSS 8.8 | Vulnix