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CVE-2019-8527

9.1 · CRITICAL
Published Dec 18, 2019 apple CWE-120 EPSS 3.24% (87th pctl)

Overview

CVE-2019-8527 is a critical-severity vulnerability affecting apple iphone_os. It was published on December 18, 2019 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Remediation

Check the references section for vendor advisories and patches from apple. Update iphone_os to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
apple iphone_os >= 0, < 12.2 Affected
apple mac_os_x >= 0, < 10.14.4 Affected
apple tvos >= 0, < 12.2 Affected
apple watchos >= 0, < 5.2 Affected

Frequently Asked Questions

What is CVE-2019-8527?

CVE-2019-8527 is a critical-severity vulnerability affecting apple iphone_os. It was published on December 18, 2019 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2019-8527?

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-8527?

Check the references section for vendor advisories and patches from apple. Update iphone_os to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-8527?

CyberStrike's AI-powered security agents can automatically detect CVE-2019-8527 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.