# CVE-2025-43480: WebKit: A malicious website may exfiltrate data cross-origin

CVE-2025-43480 is fixed in 24 products on 2 platforms, first by RHSA-2024:9553, released November 13, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-43480
- Priority: High
- CVSS: 8.8 (HIGH)
- EPSS: 0.0049
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 13, 2024
- Vendor advisory: https://support.apple.com/en-us/125634

## Description

The issue was addressed with improved checks. WebKit Bugzilla: 276208

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| macOS | Tahoe | 26.1 | [Tahoe 26.1](https://patchblox.com/security/data/fix/macos/tahoe-26.1.md) | Nov 3, 2025 |
| Linux | gir1.2-javascriptcoregtk-4.0 Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [gir1.2-javascriptcoregtk-4.0 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-javascriptcoregtk-4.0-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | gir1.2-javascriptcoregtk-4.1 Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [gir1.2-javascriptcoregtk-4.1 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-javascriptcoregtk-4.1-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | gir1.2-javascriptcoregtk-4.1 Ubuntu 24.04.5 LTS (noble) | 2.46.1-0ubuntu0.24.04.1 | [gir1.2-javascriptcoregtk-4.1 2.46.1-0ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gir1.2-javascriptcoregtk-4.1-2.46.1-0ubuntu0.24.04.1.md) | Nov 3, 2025 |
| Linux | gir1.2-javascriptcoregtk-6.0 Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [gir1.2-javascriptcoregtk-6.0 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-javascriptcoregtk-6.0-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | gir1.2-javascriptcoregtk-6.0 Ubuntu 24.04.5 LTS (noble) | 2.46.1-0ubuntu0.24.04.1 | [gir1.2-javascriptcoregtk-6.0 2.46.1-0ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gir1.2-javascriptcoregtk-6.0-2.46.1-0ubuntu0.24.04.1.md) | Nov 3, 2025 |
| Linux | gir1.2-webkit-6.0 Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [gir1.2-webkit-6.0 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-webkit-6.0-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | gir1.2-webkit-6.0 Ubuntu 24.04.5 LTS (noble) | 2.46.1-0ubuntu0.24.04.1 | [gir1.2-webkit-6.0 2.46.1-0ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gir1.2-webkit-6.0-2.46.1-0ubuntu0.24.04.1.md) | Nov 3, 2025 |
| Linux | gir1.2-webkit2-4.0 Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [gir1.2-webkit2-4.0 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-webkit2-4.0-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | gir1.2-webkit2-4.1 Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [gir1.2-webkit2-4.1 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gir1.2-webkit2-4.1-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | gir1.2-webkit2-4.1 Ubuntu 24.04.5 LTS (noble) | 2.46.1-0ubuntu0.24.04.1 | [gir1.2-webkit2-4.1 2.46.1-0ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gir1.2-webkit2-4.1-2.46.1-0ubuntu0.24.04.1.md) | Nov 3, 2025 |
| Linux | libjavascriptcoregtk-4.0-18 Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [libjavascriptcoregtk-4.0-18 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.0-18-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | libjavascriptcoregtk-4.0-bin Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [libjavascriptcoregtk-4.0-bin 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.0-bin-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | libjavascriptcoregtk-4.0-bin Ubuntu 24.04.5 LTS (noble) | 2.46.1-0ubuntu0.24.04.1 | [libjavascriptcoregtk-4.0-bin 2.46.1-0ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libjavascriptcoregtk-4.0-bin-2.46.1-0ubuntu0.24.04.1.md) | Nov 3, 2025 |
| Linux | libjavascriptcoregtk-4.1-0 Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [libjavascriptcoregtk-4.1-0 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-4.1-0-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | libjavascriptcoregtk-4.1-0 Ubuntu 24.04.5 LTS (noble) | 2.46.1-0ubuntu0.24.04.1 | [libjavascriptcoregtk-4.1-0 2.46.1-0ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libjavascriptcoregtk-4.1-0-2.46.1-0ubuntu0.24.04.1.md) | Nov 3, 2025 |
| Linux | libjavascriptcoregtk-6.0-1 Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [libjavascriptcoregtk-6.0-1 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjavascriptcoregtk-6.0-1-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | libjavascriptcoregtk-6.0-1 Ubuntu 24.04.5 LTS (noble) | 2.46.1-0ubuntu0.24.04.1 | [libjavascriptcoregtk-6.0-1 2.46.1-0ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libjavascriptcoregtk-6.0-1-2.46.1-0ubuntu0.24.04.1.md) | Nov 3, 2025 |
| Linux | libjavascriptcoregtk-bin Ubuntu 24.04.5 LTS (noble) | 2.46.1-0ubuntu0.24.04.1 | [libjavascriptcoregtk-bin 2.46.1-0ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libjavascriptcoregtk-bin-2.46.1-0ubuntu0.24.04.1.md) | Nov 3, 2025 |
| Linux | libwebkit2gtk-4.0-37 Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [libwebkit2gtk-4.0-37 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwebkit2gtk-4.0-37-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | libwebkit2gtk-4.1-0 Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [libwebkit2gtk-4.1-0 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwebkit2gtk-4.1-0-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | libwebkit2gtk-4.1-0 Ubuntu 24.04.5 LTS (noble) | 2.46.1-0ubuntu0.24.04.1 | [libwebkit2gtk-4.1-0 2.46.1-0ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libwebkit2gtk-4.1-0-2.46.1-0ubuntu0.24.04.1.md) | Nov 3, 2025 |
| Linux | libwebkitgtk-6.0-4 Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [libwebkitgtk-6.0-4 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libwebkitgtk-6.0-4-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | libwebkitgtk-6.0-4 Ubuntu 24.04.5 LTS (noble) | 2.46.1-0ubuntu0.24.04.1 | [libwebkitgtk-6.0-4 2.46.1-0ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libwebkitgtk-6.0-4-2.46.1-0ubuntu0.24.04.1.md) | Nov 3, 2025 |
| Linux | webkit2gtk Debian 12.15 (bookworm) | 2.46.0-2~deb12u1 | [DEBIAN-CVE-2025-43480](https://patchblox.com/security/data/fix/linux/debian-cve-2025-43480.md) | Nov 4, 2025 |
| Linux | webkit2gtk Debian 13.5 (trixie) | 2.46.0-1 | [DEBIAN-CVE-2025-43480](https://patchblox.com/security/data/fix/linux/debian-cve-2025-43480.md) | Nov 4, 2025 |
| Linux | webkit2gtk Debian 14 | 2.46.0-1 | [DEBIAN-CVE-2025-43480](https://patchblox.com/security/data/fix/linux/debian-cve-2025-43480.md) | Nov 4, 2025 |
| Linux | webkit2gtk-driver Ubuntu 22.04.1 LTS (jammy) | 2.46.1-0ubuntu0.22.04.3 | [webkit2gtk-driver 2.46.1-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-webkit2gtk-driver-2.46.1-0ubuntu0.22.04.3.md) | Nov 3, 2025 |
| Linux | webkit2gtk-driver Ubuntu 24.04.5 LTS (noble) | 2.46.1-0ubuntu0.24.04.1 | [webkit2gtk-driver 2.46.1-0ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-webkit2gtk-driver-2.46.1-0ubuntu0.24.04.1.md) | Nov 3, 2025 |
| Linux | webkit2gtk3 RHEL 8 | 0:2.46.3-1.el8_10 | [RHSA-2024:9636](https://patchblox.com/security/data/fix/linux/rhsa-2024-9636.md) | Nov 14, 2024 |
| Linux | webkit2gtk3 RHEL 9 | 0:2.46.3-1.el9_5 | [RHSA-2024:9553](https://patchblox.com/security/data/fix/linux/rhsa-2024-9553.md) | Nov 13, 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 | 0:2.46.3-1.el8_10 | [RHSA-2024:9636](https://patchblox.com/security/data/fix/linux/rhsa-2024-9636.md) | Nov 14, 2024 |
| Linux | webkit2gtk3-devel RHEL 9 | 0:2.46.3-1.el9_5 | [RHSA-2024:9553](https://patchblox.com/security/data/fix/linux/rhsa-2024-9553.md) | Nov 13, 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 | 0:2.46.3-1.el8_10 | [RHSA-2024:9636](https://patchblox.com/security/data/fix/linux/rhsa-2024-9636.md) | Nov 14, 2024 |
| Linux | webkit2gtk3-jsc RHEL 9 | 0:2.46.3-1.el9_5 | [RHSA-2024:9553](https://patchblox.com/security/data/fix/linux/rhsa-2024-9553.md) | Nov 13, 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 | 0:2.46.3-1.el8_10 | [RHSA-2024:9636](https://patchblox.com/security/data/fix/linux/rhsa-2024-9636.md) | Nov 14, 2024 |
| Linux | webkit2gtk3-jsc-devel RHEL 9 | 0:2.46.3-1.el9_5 | [RHSA-2024:9553](https://patchblox.com/security/data/fix/linux/rhsa-2024-9553.md) | Nov 13, 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) | 2.46.0-1 | [DEBIAN-CVE-2025-43480](https://patchblox.com/security/data/fix/linux/debian-cve-2025-43480.md) | Nov 4, 2025 |
| Linux | wpewebkit Debian 14 | 2.46.0-1 | [DEBIAN-CVE-2025-43480](https://patchblox.com/security/data/fix/linux/debian-cve-2025-43480.md) | Nov 4, 2025 |

---

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