# libjavascriptcoregtk-4.0-bin 2.34.1-0ubuntu0.20.04.1: libjavascriptcoregtk-4.0-bin 2.34.1-0ubuntu0.20.04.1 for Ubuntu 20.04 LTS (focal)

libjavascriptcoregtk-4.0-bin 2.34.1-0ubuntu0.20.04.1, released December 24, 2021, fixes 11 CVEs in libjavascriptcoregtk-4.0-bin. 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-focal-libjavascriptcoregtk-4.0-bin-2.34.1-0ubuntu0.20.04.1
- Platform: Linux
- Released: Dec 24, 2021
- Priority: High (Closes CVE-2021-30851, high severity)
- CVEs: 11, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libjavascriptcoregtk-4.0-bin](https://patchblox.com/security/data/product/linux/libjavascriptcoregtk-4.0-bin.md) | Ubuntu 20.04 LTS (focal) | 2.34.1-0ubuntu0.20.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-30851](https://patchblox.com/security/data/cve/CVE-2021-30851.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0239 |  |
| [CVE-2021-30823](https://patchblox.com/security/data/cve/CVE-2021-30823.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0223 |  |
| [CVE-2021-30889](https://patchblox.com/security/data/cve/CVE-2021-30889.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0193 |  |
| [CVE-2021-30888](https://patchblox.com/security/data/cve/CVE-2021-30888.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0173 |  |
| [CVE-2021-30897](https://patchblox.com/security/data/cve/CVE-2021-30897.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0171 |  |
| [CVE-2021-30818](https://patchblox.com/security/data/cve/CVE-2021-30818.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0162 |  |
| [CVE-2021-45481](https://patchblox.com/security/data/cve/CVE-2021-45481.md) | High | webkit2gtk: In WebKitGTK before 2.32.4, there is incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::cre... | 8.8 | 0.0153 |  |
| [CVE-2021-45483](https://patchblox.com/security/data/cve/CVE-2021-45483.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0152 |  |
| [CVE-2021-30846](https://patchblox.com/security/data/cve/CVE-2021-30846.md) | High | gir1.2-javascriptcoregtk-4.0: A memory corruption issue was addressed with improved memory handling | 8.8 | 0.0136 |  |
| [CVE-2021-30884](https://patchblox.com/security/data/cve/CVE-2021-30884.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0115 |  |
| [CVE-2021-42762](https://patchblox.com/security/data/cve/CVE-2021-42762.md) | Routine | libwebkit2gtk-4.0-37: BubblewrapLauncher.cpp in WebKitGTK and WPE WebKit before 2.34.1 allows a limited sandbox bypass that allows a sandbo... | n/a | 0.0054 |  |

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