# libjavascriptcoregtk-4.0-18 2.34.6-0ubuntu0.20.04.1: libjavascriptcoregtk-4.0-18 2.34.6-0ubuntu0.20.04.1 for Ubuntu 20.04 LTS (focal)

libjavascriptcoregtk-4.0-18 2.34.6-0ubuntu0.20.04.1, released March 18, 2022, fixes 4 CVEs in libjavascriptcoregtk-4.0-18. One of them is being exploited (CVE-2022-22620); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-focal-libjavascriptcoregtk-4.0-18-2.34.6-0ubuntu0.20.04.1
- Platform: Linux
- Released: Mar 18, 2022
- Priority: Patch now (Closes CVE-2022-22620, exploited (CISA KEV))
- CVEs: 4, exploited: 1, on CISA KEV: 1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libjavascriptcoregtk-4.0-18](https://patchblox.com/security/data/product/linux/libjavascriptcoregtk-4.0-18.md) | Ubuntu 20.04 LTS (focal) | 2.34.6-0ubuntu0.20.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-22620](https://patchblox.com/security/data/cve/CVE-2022-22620.md) | Patch now | gir1.2-javascriptcoregtk-4.0: A use after free issue was addressed with improved memory management | 8.8 | 0.1634 | CISA KEV |
| [CVE-2022-22589](https://patchblox.com/security/data/cve/CVE-2022-22589.md) | High | gir1.2-javascriptcoregtk-4.0: A validation issue was addressed with improved input sanitization | 8.8 | 0.0201 |  |
| [CVE-2022-22592](https://patchblox.com/security/data/cve/CVE-2022-22592.md) | High | gir1.2-javascriptcoregtk-4.0: A logic issue was addressed with improved state management | 8.8 | 0.0162 |  |
| [CVE-2022-22590](https://patchblox.com/security/data/cve/CVE-2022-22590.md) | High | libjavascriptcoregtk-4.0-18: A use after free issue was addressed with improved memory management | 8.8 | 0.0156 |  |

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