# libjavascriptcoregtk-4.0-18 2.38.3-0ubuntu0.22.04.1: libjavascriptcoregtk-4.0-18 2.38.3-0ubuntu0.22.04.1 for Ubuntu 22.04.1 LTS (jammy)

libjavascriptcoregtk-4.0-18 2.38.3-0ubuntu0.22.04.1, released January 3, 2023, fixes 7 CVEs in libjavascriptcoregtk-4.0-18. One of them is being exploited (CVE-2022-42856); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.0-18-2.38.3-0ubuntu0.22.04.1
- Platform: Linux
- Released: Jan 3, 2023
- Priority: Patch now (Closes CVE-2022-42856, exploited (CISA KEV))
- CVEs: 7, 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 22.04.1 LTS (jammy) | 2.38.3-0ubuntu0.22.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-42856](https://patchblox.com/security/data/cve/CVE-2022-42856.md) | Patch now | webkit2gtk3: Add patch for Resolves: #2153735 | 8.8 | 0.0852 | CISA KEV |
| [CVE-2022-42867](https://patchblox.com/security/data/cve/CVE-2022-42867.md) | High | webkit2gtk3: ELSA-2023-2834: webkit2gtk3 security and bug fix update (IMPORTANT) | 8.8 | 0.3482 |  |
| [CVE-2022-46700](https://patchblox.com/security/data/cve/CVE-2022-46700.md) | High | webkit2gtk3: ELSA-2023-2834: webkit2gtk3 security and bug fix update (IMPORTANT) | 8.8 | 0.0132 |  |
| [CVE-2022-46699](https://patchblox.com/security/data/cve/CVE-2022-46699.md) | High | webkit2gtk3: ELSA-2023-2834: webkit2gtk3 security and bug fix update (IMPORTANT) | 8.8 | 0.0130 |  |
| [CVE-2022-42852](https://patchblox.com/security/data/cve/CVE-2022-42852.md) | Routine | gir1.2-javascriptcoregtk-4.0: The issue was addressed with improved memory handling | 6.5 | 0.0104 |  |
| [CVE-2022-46698](https://patchblox.com/security/data/cve/CVE-2022-46698.md) | Routine | webkit2gtk3: ELSA-2023-2834: webkit2gtk3 security and bug fix update (IMPORTANT) | 6.5 | 0.0100 |  |
| [CVE-2022-46692](https://patchblox.com/security/data/cve/CVE-2022-46692.md) | Routine | webkit2gtk3: ELSA-2023-2834: webkit2gtk3 security and bug fix update (IMPORTANT) | 5.5 | 0.0021 |  |

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Data as of 2026-11-13T20:04:13Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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