# CVE-2020-9947: iTunes: A use after free issue was addressed with improved memory management.

CVE-2020-9947 is fixed in 8 products on 2 platforms, first by iTunes 12.11.4.15, released August 4, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-9947
- Priority: High
- CVSS: 8.8 (Medium)
- EPSS: 0.0179
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 8, 2020
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-9947

## Description

A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.

## 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) | 2.30.3-0ubuntu0.18.04.1 | [gir1.2-javascriptcoregtk-4.0 2.30.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-javascriptcoregtk-4.0-2.30.3-0ubuntu0.18.04.1.md) | Sep 8, 2021 |
| Linux | gir1.2-javascriptcoregtk-4.0 Ubuntu 20.04 LTS (focal) | 2.30.3-0ubuntu0.20.04.1 | [gir1.2-javascriptcoregtk-4.0 2.30.3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gir1.2-javascriptcoregtk-4.0-2.30.3-0ubuntu0.20.04.1.md) | Sep 8, 2021 |
| Linux | gir1.2-webkit2-4.0 Ubuntu 18.04.6 LTS (bionic) | 2.30.3-0ubuntu0.18.04.1 | [gir1.2-webkit2-4.0 2.30.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-webkit2-4.0-2.30.3-0ubuntu0.18.04.1.md) | Sep 8, 2021 |
| Linux | gir1.2-webkit2-4.0 Ubuntu 20.04 LTS (focal) | 2.30.3-0ubuntu0.20.04.1 | [gir1.2-webkit2-4.0 2.30.3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gir1.2-webkit2-4.0-2.30.3-0ubuntu0.20.04.1.md) | Sep 8, 2021 |
| Linux | libjavascriptcoregtk-4.0-18 Ubuntu 18.04.6 LTS (bionic) | 2.30.3-0ubuntu0.18.04.1 | [libjavascriptcoregtk-4.0-18 2.30.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-18-2.30.3-0ubuntu0.18.04.1.md) | Sep 8, 2021 |
| Linux | libjavascriptcoregtk-4.0-18 Ubuntu 20.04 LTS (focal) | 2.30.3-0ubuntu0.20.04.1 | [libjavascriptcoregtk-4.0-18 2.30.3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libjavascriptcoregtk-4.0-18-2.30.3-0ubuntu0.20.04.1.md) | Sep 8, 2021 |
| Linux | libjavascriptcoregtk-4.0-bin Ubuntu 18.04.6 LTS (bionic) | 2.30.3-0ubuntu0.18.04.1 | [libjavascriptcoregtk-4.0-bin 2.30.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-bin-2.30.3-0ubuntu0.18.04.1.md) | Sep 8, 2021 |
| Linux | libjavascriptcoregtk-4.0-bin Ubuntu 20.04 LTS (focal) | 2.30.3-0ubuntu0.20.04.1 | [libjavascriptcoregtk-4.0-bin 2.30.3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libjavascriptcoregtk-4.0-bin-2.30.3-0ubuntu0.20.04.1.md) | Sep 8, 2021 |
| Linux | libwebkit2gtk-4.0-37 Ubuntu 18.04.6 LTS (bionic) | 2.30.3-0ubuntu0.18.04.1 | [libwebkit2gtk-4.0-37 2.30.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-2.30.3-0ubuntu0.18.04.1.md) | Sep 8, 2021 |
| Linux | libwebkit2gtk-4.0-37 Ubuntu 20.04 LTS (focal) | 2.30.3-0ubuntu0.20.04.1 | [libwebkit2gtk-4.0-37 2.30.3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwebkit2gtk-4.0-37-2.30.3-0ubuntu0.20.04.1.md) | Sep 8, 2021 |
| Linux | libwebkit2gtk-4.0-37-gtk2 Ubuntu 18.04.6 LTS (bionic) | 2.30.3-0ubuntu0.18.04.1 | [libwebkit2gtk-4.0-37-gtk2 2.30.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-gtk2-2.30.3-0ubuntu0.18.04.1.md) | Sep 8, 2021 |
| Linux | libwebkit2gtk-4.0-37-gtk2 Ubuntu 20.04 LTS (focal) | 2.30.3-0ubuntu0.20.04.1 | [libwebkit2gtk-4.0-37-gtk2 2.30.3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwebkit2gtk-4.0-37-gtk2-2.30.3-0ubuntu0.20.04.1.md) | Sep 8, 2021 |
| Linux | webkit2gtk-driver Ubuntu 18.04.6 LTS (bionic) | 2.30.3-0ubuntu0.18.04.1 | [webkit2gtk-driver 2.30.3-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-webkit2gtk-driver-2.30.3-0ubuntu0.18.04.1.md) | Sep 8, 2021 |
| Linux | webkit2gtk-driver Ubuntu 20.04 LTS (focal) | 2.30.3-0ubuntu0.20.04.1 | [webkit2gtk-driver 2.30.3-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-webkit2gtk-driver-2.30.3-0ubuntu0.20.04.1.md) | Sep 8, 2021 |

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