What’s Vulnerable › Vulnerabilities

CVE-2018-4434

• Severity: high (CVSS 7.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-03 · updated 2026-06-17
• Weakness: CWE-125

Description

An out-of-bounds read was addressed with improved input validation. This issue affected versions prior to macOS Mojave 10.14.2.

Affected products

• macOS: before 10.14.2 — fixed in 10.14.2

How to fix

Upgrade to a fixed version: macOS 10.14.2. Check the vendor advisory for mitigations.

References

• https://support.apple.com/kb/HT209341
• https://support.apple.com/kb/HT209341

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