# CVE-2018-4218: iTunes: An issue was discovered in certain Apple products.

CVE-2018-4218 is fixed in 8 products on 2 platforms, first by gir1.2-javascriptcoregtk-4.0 2.20.3-0ubuntu0.18.04.1, released April 3, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2018-4218
- Priority: High
- CVSS: 8.8 (Medium)
- EPSS: 0.0906
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 7, 2018
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-4218

## Description

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site that triggers an @generatorState use-after-free.

## 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) | 2.20.3-0ubuntu0.18.04.1 | [gir1.2-javascriptcoregtk-4.0 2.20.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-javascriptcoregtk-4.0-2.20.3-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | gir1.2-webkit2-4.0 Ubuntu 18.04.6 LTS (bionic) | 2.20.3-0ubuntu0.18.04.1 | [gir1.2-webkit2-4.0 2.20.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-webkit2-4.0-2.20.3-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | libjavascriptcoregtk-4.0-18 Ubuntu 18.04.6 LTS (bionic) | 2.20.3-0ubuntu0.18.04.1 | [libjavascriptcoregtk-4.0-18 2.20.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-18-2.20.3-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | libjavascriptcoregtk-4.0-bin Ubuntu 18.04.6 LTS (bionic) | 2.20.3-0ubuntu0.18.04.1 | [libjavascriptcoregtk-4.0-bin 2.20.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-bin-2.20.3-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | libwebkit2gtk-4.0-37 Ubuntu 18.04.6 LTS (bionic) | 2.20.3-0ubuntu0.18.04.1 | [libwebkit2gtk-4.0-37 2.20.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-2.20.3-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | libwebkit2gtk-4.0-37-gtk2 Ubuntu 18.04.6 LTS (bionic) | 2.20.3-0ubuntu0.18.04.1 | [libwebkit2gtk-4.0-37-gtk2 2.20.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-gtk2-2.20.3-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | webkit2gtk-driver Ubuntu 18.04.6 LTS (bionic) | 2.20.3-0ubuntu0.18.04.1 | [webkit2gtk-driver 2.20.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-webkit2gtk-driver-2.20.3-0ubuntu0.18.04.1.md) | Apr 3, 2019 |

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