# CVE-2022-22620: gir1.2-javascriptcoregtk-4.0: A use after free issue was addressed with improved memory management CVE-2022-22620 is fixed in 17 products on 1 platform, first by gir1.2-javascriptcoregtk-4.0 2.34.6-0ubuntu0.20.04.1, released March 18, 2022. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on February 11, 2022. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/cve/CVE-2022-22620 - Priority: Patch now - CVSS: 8.8 (Medium) - EPSS: 0.1634 - CISA KEV: listed Feb 11, 2022, federal due date Feb 25, 2022 - Exploited (vendor report): no - Publicly disclosed: no - Published: Mar 18, 2022 ## Description A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.2.1, iOS 15.3.1 and iPadOS 15.3.1, Safari 15.3 (v. 16612.4.9.1.8 and 15612.4.9.1.8). Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | gir1.2-javascriptcoregtk-4.0 Ubuntu 20.04 LTS (focal) | 2.34.6-0ubuntu0.20.04.1 | [gir1.2-javascriptcoregtk-4.0 2.34.6-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gir1.2-javascriptcoregtk-4.0-2.34.6-0ubuntu0.20.04.1.md) | Mar 18, 2022 | | Linux | gir1.2-javascriptcoregtk-4.0 Ubuntu 22.04.1 LTS (jammy) | 2.35.90-1ubuntu1 | [gir1.2-javascriptcoregtk-4.0 2.35.90-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-javascriptcoregtk-4.0-2.35.90-1ubuntu1.md) | Mar 18, 2022 | | Linux | gir1.2-javascriptcoregtk-4.1 Ubuntu 22.04.1 LTS (jammy) | 2.35.90-1ubuntu1 | [gir1.2-javascriptcoregtk-4.1 2.35.90-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-javascriptcoregtk-4.1-2.35.90-1ubuntu1.md) | Mar 18, 2022 | | Linux | gir1.2-webkit2-4.0 Ubuntu 20.04 LTS (focal) | 2.34.6-0ubuntu0.20.04.1 | [gir1.2-webkit2-4.0 2.34.6-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gir1.2-webkit2-4.0-2.34.6-0ubuntu0.20.04.1.md) | Mar 18, 2022 | | Linux | gir1.2-webkit2-4.0 Ubuntu 22.04.1 LTS (jammy) | 2.35.90-1ubuntu1 | [gir1.2-webkit2-4.0 2.35.90-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-webkit2-4.0-2.35.90-1ubuntu1.md) | Mar 18, 2022 | | Linux | gir1.2-webkit2-4.1 Ubuntu 22.04.1 LTS (jammy) | 2.35.90-1ubuntu1 | [gir1.2-webkit2-4.1 2.35.90-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-webkit2-4.1-2.35.90-1ubuntu1.md) | Mar 18, 2022 | | Linux | libjavascriptcoregtk-4.0-18 Ubuntu 20.04 LTS (focal) | 2.34.6-0ubuntu0.20.04.1 | [libjavascriptcoregtk-4.0-18 2.34.6-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libjavascriptcoregtk-4.0-18-2.34.6-0ubuntu0.20.04.1.md) | Mar 18, 2022 | | Linux | libjavascriptcoregtk-4.0-18 Ubuntu 22.04.1 LTS (jammy) | 2.35.90-1ubuntu1 | [libjavascriptcoregtk-4.0-18 2.35.90-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.0-18-2.35.90-1ubuntu1.md) | Mar 18, 2022 | | Linux | libjavascriptcoregtk-4.0-bin Ubuntu 20.04 LTS (focal) | 2.34.6-0ubuntu0.20.04.1 | [libjavascriptcoregtk-4.0-bin 2.34.6-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libjavascriptcoregtk-4.0-bin-2.34.6-0ubuntu0.20.04.1.md) | Mar 18, 2022 | | Linux | libjavascriptcoregtk-4.0-bin Ubuntu 22.04.1 LTS (jammy) | 2.35.90-1ubuntu1 | [libjavascriptcoregtk-4.0-bin 2.35.90-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.0-bin-2.35.90-1ubuntu1.md) | Mar 18, 2022 | | Linux | libjavascriptcoregtk-4.1-0 Ubuntu 22.04.1 LTS (jammy) | 2.35.90-1ubuntu1 | [libjavascriptcoregtk-4.1-0 2.35.90-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.1-0-2.35.90-1ubuntu1.md) | Mar 18, 2022 | | Linux | libwebkit2gtk-4.0-37 Ubuntu 20.04 LTS (focal) | 2.34.6-0ubuntu0.20.04.1 | [libwebkit2gtk-4.0-37 2.34.6-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwebkit2gtk-4.0-37-2.34.6-0ubuntu0.20.04.1.md) | Mar 18, 2022 | | Linux | libwebkit2gtk-4.0-37 Ubuntu 22.04.1 LTS (jammy) | 2.35.90-1ubuntu1 | [libwebkit2gtk-4.0-37 2.35.90-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwebkit2gtk-4.0-37-2.35.90-1ubuntu1.md) | Mar 18, 2022 | | Linux | libwebkit2gtk-4.0-37-gtk2 Ubuntu 20.04 LTS (focal) | 2.34.6-0ubuntu0.20.04.1 | [libwebkit2gtk-4.0-37-gtk2 2.34.6-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwebkit2gtk-4.0-37-gtk2-2.34.6-0ubuntu0.20.04.1.md) | Mar 18, 2022 | | Linux | libwebkit2gtk-4.1-0 Ubuntu 22.04.1 LTS (jammy) | 2.35.90-1ubuntu1 | [libwebkit2gtk-4.1-0 2.35.90-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwebkit2gtk-4.1-0-2.35.90-1ubuntu1.md) | Mar 18, 2022 | | Linux | webkit2gtk Debian 12.15 (bookworm) | 2.34.6-1 | [DEBIAN-CVE-2022-22620](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22620.md) | Mar 18, 2022 | | Linux | webkit2gtk Debian 13.5 (trixie) | 2.34.6-1 | [DEBIAN-CVE-2022-22620](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22620.md) | Mar 18, 2022 | | Linux | webkit2gtk Debian 14 | 2.34.6-1 | [DEBIAN-CVE-2022-22620](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22620.md) | Mar 18, 2022 | | Linux | webkit2gtk-driver Ubuntu 20.04 LTS (focal) | 2.34.6-0ubuntu0.20.04.1 | [webkit2gtk-driver 2.34.6-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-webkit2gtk-driver-2.34.6-0ubuntu0.20.04.1.md) | Mar 18, 2022 | | Linux | webkit2gtk-driver Ubuntu 22.04.1 LTS (jammy) | 2.35.90-1ubuntu1 | [webkit2gtk-driver 2.35.90-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-webkit2gtk-driver-2.35.90-1ubuntu1.md) | Mar 18, 2022 | | Linux | webkit2gtk3 RHEL 8 | 0:2.34.6-1.el8 | [RHSA-2022:1777](https://patchblox.com/security/data/fix/linux/rhsa-2022-1777.md) | May 10, 2022 | | Linux | webkit2gtk3 almalinux 8 | 2.34.6-1.el8 | [ALSA-2022:1777](https://patchblox.com/security/data/fix/linux/alsa-2022-1777.md) | May 10, 2022 | | Linux | webkit2gtk3 ol 8 | 0:2.34.6-1.el8 | [ELSA-2022-1777](https://patchblox.com/security/data/fix/linux/elsa-2022-1777.md) | May 17, 2022 | | Linux | webkit2gtk3 rocky 8 | 0:2.34.6-1.el8 | [RLSA-2022:1777](https://patchblox.com/security/data/fix/linux/rlsa-2022-1777.md) | May 10, 2022 | | Linux | webkit2gtk3-devel RHEL 8 | 0:2.34.6-1.el8 | [RHSA-2022:1777](https://patchblox.com/security/data/fix/linux/rhsa-2022-1777.md) | May 10, 2022 | | Linux | webkit2gtk3-devel almalinux 8 | 2.34.6-1.el8 | [ALSA-2022:1777](https://patchblox.com/security/data/fix/linux/alsa-2022-1777.md) | May 10, 2022 | | Linux | webkit2gtk3-devel ol 8 | 0:2.34.6-1.el8 | [ELSA-2022-1777](https://patchblox.com/security/data/fix/linux/elsa-2022-1777.md) | May 17, 2022 | | Linux | webkit2gtk3-jsc RHEL 8 | 0:2.34.6-1.el8 | [RHSA-2022:1777](https://patchblox.com/security/data/fix/linux/rhsa-2022-1777.md) | May 10, 2022 | | Linux | webkit2gtk3-jsc almalinux 8 | 2.34.6-1.el8 | [ALSA-2022:1777](https://patchblox.com/security/data/fix/linux/alsa-2022-1777.md) | May 10, 2022 | | Linux | webkit2gtk3-jsc ol 8 | 0:2.34.6-1.el8 | [ELSA-2022-1777](https://patchblox.com/security/data/fix/linux/elsa-2022-1777.md) | May 17, 2022 | | Linux | webkit2gtk3-jsc-devel RHEL 8 | 0:2.34.6-1.el8 | [RHSA-2022:1777](https://patchblox.com/security/data/fix/linux/rhsa-2022-1777.md) | May 10, 2022 | | Linux | webkit2gtk3-jsc-devel almalinux 8 | 2.34.6-1.el8 | [ALSA-2022:1777](https://patchblox.com/security/data/fix/linux/alsa-2022-1777.md) | May 10, 2022 | | Linux | webkit2gtk3-jsc-devel ol 8 | 0:2.34.6-1.el8 | [ELSA-2022-1777](https://patchblox.com/security/data/fix/linux/elsa-2022-1777.md) | May 17, 2022 | | Linux | wpewebkit Debian 12.15 (bookworm) | 2.34.6-1 | [DEBIAN-CVE-2022-22620](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22620.md) | Mar 18, 2022 | | Linux | wpewebkit Debian 13.5 (trixie) | 2.34.6-1 | [DEBIAN-CVE-2022-22620](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22620.md) | Mar 18, 2022 | | Linux | wpewebkit Debian 14 | 2.34.6-1 | [DEBIAN-CVE-2022-22620](https://patchblox.com/security/data/fix/linux/debian-cve-2022-22620.md) | Mar 18, 2022 | --- Data as of 2026-11-09T01:18:40Z UTC. 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