# libjavascriptcoregtk-4.0-18 2.28.3-0ubuntu0.18.04.1: libjavascriptcoregtk-4.0-18 2.28.3-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)

libjavascriptcoregtk-4.0-18 2.28.3-0ubuntu0.18.04.1, released July 12, 2020, fixes 8 CVEs in libjavascriptcoregtk-4.0-18. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-18-2.28.3-0ubuntu0.18.04.1
- Platform: Linux
- Released: Jul 12, 2020
- Priority: High (Closes CVE-2020-9850, high severity)
- CVEs: 8, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libjavascriptcoregtk-4.0-18](https://patchblox.com/security/data/product/linux/libjavascriptcoregtk-4.0-18.md) | Ubuntu 18.04.6 LTS (bionic) | 2.28.3-0ubuntu0.18.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-9850](https://patchblox.com/security/data/cve/CVE-2020-9850.md) | High | iTunes: A logic issue was addressed with improved restrictions. | 9.8 | 0.7740 |  |
| [CVE-2020-9802](https://patchblox.com/security/data/cve/CVE-2020-9802.md) | High | iTunes: A logic issue was addressed with improved restrictions. | 8.8 | 0.0883 |  |
| [CVE-2020-9806](https://patchblox.com/security/data/cve/CVE-2020-9806.md) | High | iTunes: A memory corruption issue was addressed with improved state management. | 8.8 | 0.0186 |  |
| [CVE-2020-9807](https://patchblox.com/security/data/cve/CVE-2020-9807.md) | High | iTunes: A memory corruption issue was addressed with improved state management. | 8.8 | 0.0185 |  |
| [CVE-2020-9803](https://patchblox.com/security/data/cve/CVE-2020-9803.md) | High | iTunes: A memory corruption issue was addressed with improved validation. | 8.8 | 0.0185 |  |
| [CVE-2020-9805](https://patchblox.com/security/data/cve/CVE-2020-9805.md) | High | iTunes: A logic issue was addressed with improved restrictions. | 7.1 | 0.0121 |  |
| [CVE-2020-9843](https://patchblox.com/security/data/cve/CVE-2020-9843.md) | High | iTunes: An input validation issue was addressed with improved input validation. | 7.1 | 0.0111 |  |
| [CVE-2020-13753](https://patchblox.com/security/data/cve/CVE-2020-13753.md) | Routine | gir1.2-javascriptcoregtk-4.0: The bubblewrap sandbox of WebKitGTK and WPE WebKit, prior to 2.28.3, failed to properly block access to CLONE_NEWUSER... | n/a | 0.0327 |  |

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