# CVE-2021-30858: webkit2gtk3-jsc: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  Security Fix(es):  * webkitgt...

CVE-2021-30858 is fixed in 11 products on 1 platform, first by RHSA-2021:4097, released November 2, 2021. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/cve/CVE-2021-30858
- Priority: Patch now
- CVSS: 8.8 (Moderate)
- EPSS: 0.1338
- CISA KEV: listed Nov 3, 2021, federal due date Nov 17, 2021
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 24, 2021

## Description

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  Security Fix(es):  * webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2021-30858)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Bug Fix(es):  * WebProcess::initializeWebProcess crashing on aarch64 (BZ#2010825)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gir1.2-javascriptcoregtk-4.0 Ubuntu 18.04.6 LTS (bionic) | 2.32.4-0ubuntu0.18.04.1 | [gir1.2-javascriptcoregtk-4.0 2.32.4-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-javascriptcoregtk-4.0-2.32.4-0ubuntu0.18.04.1.md) | Dec 24, 2021 |
| Linux | gir1.2-javascriptcoregtk-4.0 Ubuntu 20.04 LTS (focal) | 2.32.4-0ubuntu0.20.04.1 | [gir1.2-javascriptcoregtk-4.0 2.32.4-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gir1.2-javascriptcoregtk-4.0-2.32.4-0ubuntu0.20.04.1.md) | Dec 24, 2021 |
| Linux | gir1.2-webkit2-4.0 Ubuntu 18.04.6 LTS (bionic) | 2.32.4-0ubuntu0.18.04.1 | [gir1.2-webkit2-4.0 2.32.4-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-webkit2-4.0-2.32.4-0ubuntu0.18.04.1.md) | Dec 24, 2021 |
| Linux | gir1.2-webkit2-4.0 Ubuntu 20.04 LTS (focal) | 2.32.4-0ubuntu0.20.04.1 | [gir1.2-webkit2-4.0 2.32.4-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gir1.2-webkit2-4.0-2.32.4-0ubuntu0.20.04.1.md) | Dec 24, 2021 |
| Linux | libjavascriptcoregtk-4.0-18 Ubuntu 18.04.6 LTS (bionic) | 2.32.4-0ubuntu0.18.04.1 | [libjavascriptcoregtk-4.0-18 2.32.4-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-18-2.32.4-0ubuntu0.18.04.1.md) | Dec 24, 2021 |
| Linux | libjavascriptcoregtk-4.0-18 Ubuntu 20.04 LTS (focal) | 2.32.4-0ubuntu0.20.04.1 | [libjavascriptcoregtk-4.0-18 2.32.4-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libjavascriptcoregtk-4.0-18-2.32.4-0ubuntu0.20.04.1.md) | Dec 24, 2021 |
| Linux | libjavascriptcoregtk-4.0-bin Ubuntu 18.04.6 LTS (bionic) | 2.32.4-0ubuntu0.18.04.1 | [libjavascriptcoregtk-4.0-bin 2.32.4-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-bin-2.32.4-0ubuntu0.18.04.1.md) | Dec 24, 2021 |
| Linux | libjavascriptcoregtk-4.0-bin Ubuntu 20.04 LTS (focal) | 2.32.4-0ubuntu0.20.04.1 | [libjavascriptcoregtk-4.0-bin 2.32.4-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libjavascriptcoregtk-4.0-bin-2.32.4-0ubuntu0.20.04.1.md) | Dec 24, 2021 |
| Linux | libwebkit2gtk-4.0-37 Ubuntu 18.04.6 LTS (bionic) | 2.32.4-0ubuntu0.18.04.1 | [libwebkit2gtk-4.0-37 2.32.4-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-2.32.4-0ubuntu0.18.04.1.md) | Dec 24, 2021 |
| Linux | libwebkit2gtk-4.0-37 Ubuntu 20.04 LTS (focal) | 2.32.4-0ubuntu0.20.04.1 | [libwebkit2gtk-4.0-37 2.32.4-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwebkit2gtk-4.0-37-2.32.4-0ubuntu0.20.04.1.md) | Dec 24, 2021 |
| Linux | libwebkit2gtk-4.0-37-gtk2 Ubuntu 18.04.6 LTS (bionic) | 2.32.4-0ubuntu0.18.04.1 | [libwebkit2gtk-4.0-37-gtk2 2.32.4-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-gtk2-2.32.4-0ubuntu0.18.04.1.md) | Dec 24, 2021 |
| Linux | libwebkit2gtk-4.0-37-gtk2 Ubuntu 20.04 LTS (focal) | 2.32.4-0ubuntu0.20.04.1 | [libwebkit2gtk-4.0-37-gtk2 2.32.4-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwebkit2gtk-4.0-37-gtk2-2.32.4-0ubuntu0.20.04.1.md) | Dec 24, 2021 |
| Linux | webkit2gtk-driver Ubuntu 18.04.6 LTS (bionic) | 2.32.4-0ubuntu0.18.04.1 | [webkit2gtk-driver 2.32.4-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-webkit2gtk-driver-2.32.4-0ubuntu0.18.04.1.md) | Dec 24, 2021 |
| Linux | webkit2gtk-driver Ubuntu 20.04 LTS (focal) | 2.32.4-0ubuntu0.20.04.1 | [webkit2gtk-driver 2.32.4-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-webkit2gtk-driver-2.32.4-0ubuntu0.20.04.1.md) | Dec 24, 2021 |
| Linux | webkit2gtk3 RHEL 8 | 0:2.30.4-3.el8_4 | [RHSA-2021:4097](https://patchblox.com/security/data/fix/linux/rhsa-2021-4097.md) | Nov 2, 2021 |
| Linux | webkit2gtk3 ol 8 | 0:2.30.4-3.el8_4 | [ELSA-2021-4097](https://patchblox.com/security/data/fix/linux/elsa-2021-4097.md) | Nov 2, 2021 |
| Linux | webkit2gtk3-devel RHEL 8 | 0:2.30.4-3.el8_4 | [RHSA-2021:4097](https://patchblox.com/security/data/fix/linux/rhsa-2021-4097.md) | Nov 2, 2021 |
| Linux | webkit2gtk3-devel ol 8 | 0:2.30.4-3.el8_4 | [ELSA-2021-4097](https://patchblox.com/security/data/fix/linux/elsa-2021-4097.md) | Nov 2, 2021 |
| Linux | webkit2gtk3-jsc RHEL 8 | 0:2.30.4-3.el8_4 | [RHSA-2021:4097](https://patchblox.com/security/data/fix/linux/rhsa-2021-4097.md) | Nov 2, 2021 |
| Linux | webkit2gtk3-jsc ol 8 | 0:2.30.4-3.el8_4 | [ELSA-2021-4097](https://patchblox.com/security/data/fix/linux/elsa-2021-4097.md) | Nov 2, 2021 |
| Linux | webkit2gtk3-jsc-devel RHEL 8 | 0:2.30.4-3.el8_4 | [RHSA-2021:4097](https://patchblox.com/security/data/fix/linux/rhsa-2021-4097.md) | Nov 2, 2021 |
| Linux | webkit2gtk3-jsc-devel ol 8 | 0:2.30.4-3.el8_4 | [ELSA-2021-4097](https://patchblox.com/security/data/fix/linux/elsa-2021-4097.md) | Nov 2, 2021 |

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