What’s Vulnerable › Vulnerabilities

CVE-2019-6205

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-03-05 · updated 2026-06-17
• Weakness: CWE-787

Description

A memory corruption issue was addressed with improved lock state checking. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2. A malicious application may cause unexpected changes in memory shared between processes.

Affected products

• Apple Iphone Os: before 12.1.3 — fixed in 12.1.3
• macOS: before 10.14.3 — fixed in 10.14.3
• Apple tvOS: before 12.1.2 — fixed in 12.1.2

How to fix

Upgrade to a fixed version: Apple Iphone Os 12.1.3; macOS 10.14.3; Apple tvOS 12.1.2. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/156051/XNU-vm_map_copy-Insufficient-Fix.html
• http://www.securityfocus.com/bid/106695
• https://support.apple.com/HT209443
• https://support.apple.com/HT209446
• https://support.apple.com/HT209447
• https://www.exploit-db.com/exploits/46299/
• http://packetstormsecurity.com/files/156051/XNU-vm_map_copy-Insufficient-Fix.html
• http://www.securityfocus.com/bid/106695
• https://support.apple.com/HT209443
• https://support.apple.com/HT209446
• https://support.apple.com/HT209447
• https://www.exploit-db.com/exploits/46299/

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