How severe is CVE-2018-4407?

CVE-2018-4407 has a CVSS score of 8.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2018-4407?

Affected package information for CVE-2018-4407 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2018-4407?

No fixed version has been published for CVE-2018-4407 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2018-4407 actively exploited in the wild?

Yes. There are 20 known exploit references for CVE-2018-4407, including 10 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2018-4407?

CVE-2018-4407 has an EPSS (Exploit Prediction Scoring System) score of 90.8%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

What type of vulnerability is CVE-2018-4407?

CVE-2018-4407 is classified as Buffer Overflow (CWE-119). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

Which products and versions are affected by CVE-2018-4407?

CVE-2018-4407 affects apple iphone os; apple mac os x; apple tvos; apple watchos. Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2018-4407 published, and has it been updated?

CVE-2018-4407 was published on April 3, 2019 and was last updated on November 21, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2018-4407

HIGH

A memory corruption issue was addressed with improved validation. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.

Published

Apr 3, 2019

Updated

Nov 21, 2024

Affected

0 pkgs

Patched

None yet

Exploits

20 known

EPSS Exploitation Probability

via FIRST.org ↗

90.8%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

A memory corruption issue was addressed with improved validation. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.

Affected Products

4 products · 4 configurations

iphone osapple

< 12.0

range

mac os xapple

< 10.14

range

tvosapple

< 12

range

watchosapple

< 5.0

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.