# CVE-2018-4209: iTunes: In iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, tvOS before 11.3, watchOS before…

CVE-2018-4209 is fixed in 8 products on 2 platforms, first by gir1.2-javascriptcoregtk-4.0 2.22.2-0ubuntu0.18.04.1, released April 3, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2018-4209
- Priority: High
- CVSS: 8.8 (Medium)
- EPSS: 0.0206
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 27, 2018
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-4209

## Description

In iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, tvOS before 11.3, watchOS before 4.3, iTunes before 12.7.4 for Windows, unexpected interaction causes an ASSERT failure. This issue was addressed with improved checks.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | iTunes | 12.11.4.15 | [iTunes 12.11.4.15](https://patchblox.com/security/data/fix/windows-app/apple.itunes-12.11.4.15.md) | Aug 4, 2021 |
| Linux | gir1.2-javascriptcoregtk-4.0 Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [gir1.2-javascriptcoregtk-4.0 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-javascriptcoregtk-4.0-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | gir1.2-webkit2-4.0 Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [gir1.2-webkit2-4.0 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-webkit2-4.0-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | libjavascriptcoregtk-4.0-18 Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [libjavascriptcoregtk-4.0-18 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-18-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | libjavascriptcoregtk-4.0-bin Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [libjavascriptcoregtk-4.0-bin 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-bin-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | libwebkit2gtk-4.0-37 Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [libwebkit2gtk-4.0-37 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | libwebkit2gtk-4.0-37-gtk2 Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [libwebkit2gtk-4.0-37-gtk2 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-gtk2-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | webkit2gtk-driver Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [webkit2gtk-driver 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-webkit2gtk-driver-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |

---

Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo