What’s Vulnerable › Vulnerabilities

CVE-2019-6231

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-03-05 · updated 2026-06-17
• Weakness: CWE-125

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2, watchOS 5.1.3. A malicious application may be able to read restricted memory.

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
• Apple watchOS: before 5.1.3 — fixed in 5.1.3

How to fix

Upgrade to a fixed version: Apple Iphone Os 12.1.3; macOS 10.14.3; Apple tvOS 12.1.2; Apple watchOS 5.1.3. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/106739
• https://support.apple.com/HT209443
• https://support.apple.com/HT209446
• https://support.apple.com/HT209447
• https://support.apple.com/HT209448
• http://www.securityfocus.com/bid/106739
• https://support.apple.com/HT209443
• https://support.apple.com/HT209446
• https://support.apple.com/HT209447
• https://support.apple.com/HT209448

Get alerted when CVE-2019-6231 or the next vulnerability affects your stack