# CVE-2018-4407

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.

- Page: https://www.vulneraibility.com/cve/CVE-2018-4407
- CVSS: 8.8
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 21.39% (percentile 97.6)
- Unvetted proof-of-concept code on GitHub: 15 GitHub proofs of concept (first 2018-11-01)
- Published: 2019-04-03

## Affected versions

- iOS, macOS, tvOS, watchOS: affected Versions prior to: iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://support.apple.com/kb/HT209107
- [other] https://support.apple.com/kb/HT209193
- [other] https://support.apple.com/kb/HT209106
- [other] https://support.apple.com/kb/HT209139
- [other] https://support.apple.com/kb/HT209108
- [other] http://packetstormsecurity.com/files/172832/iOS-11.4.1-macOS-10.13.6-icmp_error-Heap-Buffer-Overflow.html

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.