# CVE-2023-43000: webkit2gtk3: Security update for webkit2gtk3

CVE-2023-43000 is fixed in 22 products on 1 platform, first by RHSA-2024:2126, released April 30, 2024. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on March 5, 2026. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/cve/CVE-2023-43000
- Priority: Patch now
- CVSS: 8.8 (high)
- EPSS: 0.0404
- CISA KEV: listed Mar 5, 2026, federal due date Mar 26, 2026
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 30, 2024

## Description

Security update for webkit2gtk3

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gir1.2-javascriptcoregtk-4.0 Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [gir1.2-javascriptcoregtk-4.0 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-javascriptcoregtk-4.0-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | gir1.2-javascriptcoregtk-4.1 Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [gir1.2-javascriptcoregtk-4.1 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-javascriptcoregtk-4.1-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | gir1.2-javascriptcoregtk-6.0 Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [gir1.2-javascriptcoregtk-6.0 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-javascriptcoregtk-6.0-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | gir1.2-webkit-6.0 Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [gir1.2-webkit-6.0 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-webkit-6.0-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | gir1.2-webkit2-4.0 Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [gir1.2-webkit2-4.0 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-webkit2-4.0-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | gir1.2-webkit2-4.1 Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [gir1.2-webkit2-4.1 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-webkit2-4.1-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | libjavascriptcoregtk-4.0-18 Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [libjavascriptcoregtk-4.0-18 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.0-18-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | libjavascriptcoregtk-4.0-bin Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [libjavascriptcoregtk-4.0-bin 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.0-bin-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | libjavascriptcoregtk-4.1-0 Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [libjavascriptcoregtk-4.1-0 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.1-0-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | libjavascriptcoregtk-6.0-1 Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [libjavascriptcoregtk-6.0-1 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-6.0-1-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | libwebkit2gtk-4.0-37 Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [libwebkit2gtk-4.0-37 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwebkit2gtk-4.0-37-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | libwebkit2gtk-4.1-0 Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [libwebkit2gtk-4.1-0 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwebkit2gtk-4.1-0-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | libwebkitgtk-6.0-4 Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [libwebkitgtk-6.0-4 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwebkitgtk-6.0-4-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | webkit2gtk Debian 12.15 (bookworm) | 2.42.1-1~deb12u1 | [DEBIAN-CVE-2023-43000](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43000.md) | Nov 5, 2025 |
| Linux | webkit2gtk Debian 13.5 (trixie) | 2.42.0-1 | [DEBIAN-CVE-2023-43000](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43000.md) | Nov 5, 2025 |
| Linux | webkit2gtk Debian 14 | 2.42.0-1 | [DEBIAN-CVE-2023-43000](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43000.md) | Nov 5, 2025 |
| Linux | webkit2gtk-driver Ubuntu 22.04.1 LTS (jammy) | 2.42.1-0ubuntu0.22.04.1 | [webkit2gtk-driver 2.42.1-0ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-webkit2gtk-driver-2.42.1-0ubuntu0.22.04.1.md) | Nov 5, 2025 |
| Linux | webkit2gtk3 RHEL 8 | 0:2.42.5-1.el8 | [RHSA-2024:2982](https://patchblox.com/security/data/fix/linux/rhsa-2024-2982.md) | May 22, 2024 |
| Linux | webkit2gtk3 RHEL 9 | 0:2.42.5-1.el9 | [RHSA-2024:2126](https://patchblox.com/security/data/fix/linux/rhsa-2024-2126.md) | Apr 30, 2024 |
| Linux | webkit2gtk3 almalinux 8 | 2.50.3-1.el8_10 | [ALSA-2025:22789](https://patchblox.com/security/data/fix/linux/alsa-2025-22789.md) | Dec 8, 2025 |
| Linux | webkit2gtk3 almalinux 9 | 2.50.3-1.el9_7 | [ALSA-2025:22790](https://patchblox.com/security/data/fix/linux/alsa-2025-22790.md) | Dec 8, 2025 |
| Linux | webkit2gtk3 ol 8 | 0:2.50.3-1.el8_10 | [ELSA-2025-22789](https://patchblox.com/security/data/fix/linux/elsa-2025-22789.md) | Dec 8, 2025 |
| Linux | webkit2gtk3 ol 9 | 0:2.50.3-1.el9_7 | [ELSA-2025-22790](https://patchblox.com/security/data/fix/linux/elsa-2025-22790.md) | Dec 8, 2025 |
| Linux | webkit2gtk3 opensuse-leap 15.6 | 2.50.4-150600.12.54.1 | [SUSE-SU-2026:0021-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0021-1.md) | Jan 5, 2026 |
| Linux | webkit2gtk3 opensuse-leap 16.0 | 2.50.4-160000.1.1 | [OPENSUSE-SU-2026:20065-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20065-1.md) | Jan 20, 2026 |
| Linux | webkit2gtk3 rocky 8 | 0:2.50.3-1.el8_10 | [RLSA-2025:22789](https://patchblox.com/security/data/fix/linux/rlsa-2025-22789.md) | Dec 9, 2025 |
| Linux | webkit2gtk3 rocky 9 | 0:2.50.3-1.el9_7 | [RLSA-2025:22790](https://patchblox.com/security/data/fix/linux/rlsa-2025-22790.md) | Dec 9, 2025 |
| Linux | webkit2gtk3 sles 15.6 | 2.50.4-150600.12.54.1 | [SUSE-SU-2026:0021-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0021-1.md) | Jan 5, 2026 |
| Linux | webkit2gtk3 sles 15.7 | 2.50.4-150600.12.54.1 | [SUSE-SU-2026:0021-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0021-1.md) | Jan 5, 2026 |
| Linux | webkit2gtk3 sles 16.0 | 2.50.4-160000.1.1 | [SUSE-SU-2026:20102-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-20102-1.md) | Jan 20, 2026 |
| Linux | webkit2gtk3-devel RHEL 8 | 0:2.42.5-1.el8 | [RHSA-2024:2982](https://patchblox.com/security/data/fix/linux/rhsa-2024-2982.md) | May 22, 2024 |
| Linux | webkit2gtk3-devel RHEL 9 | 0:2.42.5-1.el9 | [RHSA-2024:2126](https://patchblox.com/security/data/fix/linux/rhsa-2024-2126.md) | Apr 30, 2024 |
| Linux | webkit2gtk3-devel almalinux 8 | 2.50.3-1.el8_10 | [ALSA-2025:22789](https://patchblox.com/security/data/fix/linux/alsa-2025-22789.md) | Dec 8, 2025 |
| Linux | webkit2gtk3-devel almalinux 9 | 2.50.3-1.el9_7 | [ALSA-2025:22790](https://patchblox.com/security/data/fix/linux/alsa-2025-22790.md) | Dec 8, 2025 |
| Linux | webkit2gtk3-devel ol 8 | 0:2.50.3-1.el8_10 | [ELSA-2025-22789](https://patchblox.com/security/data/fix/linux/elsa-2025-22789.md) | Dec 8, 2025 |
| Linux | webkit2gtk3-devel ol 9 | 0:2.50.3-1.el9_7 | [ELSA-2025-22790](https://patchblox.com/security/data/fix/linux/elsa-2025-22790.md) | Dec 8, 2025 |
| Linux | webkit2gtk3-jsc RHEL 8 | 0:2.42.5-1.el8 | [RHSA-2024:2982](https://patchblox.com/security/data/fix/linux/rhsa-2024-2982.md) | May 22, 2024 |
| Linux | webkit2gtk3-jsc RHEL 9 | 0:2.42.5-1.el9 | [RHSA-2024:2126](https://patchblox.com/security/data/fix/linux/rhsa-2024-2126.md) | Apr 30, 2024 |
| Linux | webkit2gtk3-jsc almalinux 8 | 2.50.3-1.el8_10 | [ALSA-2025:22789](https://patchblox.com/security/data/fix/linux/alsa-2025-22789.md) | Dec 8, 2025 |
| Linux | webkit2gtk3-jsc almalinux 9 | 2.50.3-1.el9_7 | [ALSA-2025:22790](https://patchblox.com/security/data/fix/linux/alsa-2025-22790.md) | Dec 8, 2025 |
| Linux | webkit2gtk3-jsc ol 8 | 0:2.50.3-1.el8_10 | [ELSA-2025-22789](https://patchblox.com/security/data/fix/linux/elsa-2025-22789.md) | Dec 8, 2025 |
| Linux | webkit2gtk3-jsc ol 9 | 0:2.50.3-1.el9_7 | [ELSA-2025-22790](https://patchblox.com/security/data/fix/linux/elsa-2025-22790.md) | Dec 8, 2025 |
| Linux | webkit2gtk3-jsc-devel RHEL 8 | 0:2.42.5-1.el8 | [RHSA-2024:2982](https://patchblox.com/security/data/fix/linux/rhsa-2024-2982.md) | May 22, 2024 |
| Linux | webkit2gtk3-jsc-devel RHEL 9 | 0:2.42.5-1.el9 | [RHSA-2024:2126](https://patchblox.com/security/data/fix/linux/rhsa-2024-2126.md) | Apr 30, 2024 |
| Linux | webkit2gtk3-jsc-devel almalinux 8 | 2.50.3-1.el8_10 | [ALSA-2025:22789](https://patchblox.com/security/data/fix/linux/alsa-2025-22789.md) | Dec 8, 2025 |
| Linux | webkit2gtk3-jsc-devel almalinux 9 | 2.50.3-1.el9_7 | [ALSA-2025:22790](https://patchblox.com/security/data/fix/linux/alsa-2025-22790.md) | Dec 8, 2025 |
| Linux | webkit2gtk3-jsc-devel ol 8 | 0:2.50.3-1.el8_10 | [ELSA-2025-22789](https://patchblox.com/security/data/fix/linux/elsa-2025-22789.md) | Dec 8, 2025 |
| Linux | webkit2gtk3-jsc-devel ol 9 | 0:2.50.3-1.el9_7 | [ELSA-2025-22790](https://patchblox.com/security/data/fix/linux/elsa-2025-22790.md) | Dec 8, 2025 |
| Linux | webkit2gtk3-soup2 opensuse-leap 15.6 | 2.50.4-150600.12.54.1 | [SUSE-SU-2026:0021-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0021-1.md) | Jan 5, 2026 |
| Linux | webkit2gtk3-soup2 opensuse-leap 16.0 | 2.50.4-160000.1.1 | [OPENSUSE-SU-2026:20065-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20065-1.md) | Jan 20, 2026 |
| Linux | webkit2gtk3-soup2 sles 15.6 | 2.50.4-150600.12.54.1 | [SUSE-SU-2026:0021-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0021-1.md) | Jan 5, 2026 |
| Linux | webkit2gtk3-soup2 sles 15.7 | 2.50.4-150600.12.54.1 | [SUSE-SU-2026:0021-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0021-1.md) | Jan 5, 2026 |
| Linux | webkit2gtk4 opensuse-leap 15.6 | 2.50.4-150600.12.54.1 | [SUSE-SU-2026:0021-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0021-1.md) | Jan 5, 2026 |
| Linux | webkit2gtk4 opensuse-leap 16.0 | 2.50.4-160000.1.1 | [OPENSUSE-SU-2026:20065-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20065-1.md) | Jan 20, 2026 |
| Linux | webkit2gtk4 sles 15.6 | 2.50.4-150600.12.54.1 | [SUSE-SU-2026:0021-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0021-1.md) | Jan 5, 2026 |
| Linux | webkit2gtk4 sles 15.7 | 2.50.4-150600.12.54.1 | [SUSE-SU-2026:0021-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0021-1.md) | Jan 5, 2026 |
| Linux | webkit2gtk4 sles 16.0 | 2.50.4-160000.1.1 | [SUSE-SU-2026:20102-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-20102-1.md) | Jan 20, 2026 |
| Linux | wpewebkit Debian 13.5 (trixie) | 2.42.0-1 | [DEBIAN-CVE-2023-43000](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43000.md) | Nov 5, 2025 |
| Linux | wpewebkit Debian 14 | 2.42.0-1 | [DEBIAN-CVE-2023-43000](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43000.md) | Nov 5, 2025 |

---

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