CVE-2025-43535
WebKit: Processing maliciously crafted web content may lead to an unexpected process crash
CVE-2025-43535 is fixed in 25 products on 2 platforms, first by Tahoe 26.2, released December 12, 2025. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 2 platforms
CVSS
8.8
MEDIUM
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0085
58th percentile
The issue was addressed with improved memory handling. WebKit Bugzilla: 300774
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| macOS | |||
| Tahoe | 26.2 | Tahoe 26.2 | Dec 12, 2025 |
| Linux | |||
| gir1.2-javascriptcoregtk-4.0 · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | gir1.2-javascriptcoregtk-4.0 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | gir1.2-javascriptcoregtk-4.1 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 24.04.5 LTS (noble) | 2.50.4-0ubuntu0.24.04.1 | gir1.2-javascriptcoregtk-4.1 2.50.4-0ubuntu0.24.04.1 | Dec 17, 2025 |
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 25.10 (questing) | 2.50.4-0ubuntu0.25.10.1 | gir1.2-javascriptcoregtk-4.1 2.50.4-0ubuntu0.25.10.1 | Dec 17, 2025 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | gir1.2-javascriptcoregtk-6.0 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 24.04.5 LTS (noble) | 2.50.4-0ubuntu0.24.04.1 | gir1.2-javascriptcoregtk-6.0 2.50.4-0ubuntu0.24.04.1 | Dec 17, 2025 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 25.10 (questing) | 2.50.4-0ubuntu0.25.10.1 | gir1.2-javascriptcoregtk-6.0 2.50.4-0ubuntu0.25.10.1 | Dec 17, 2025 |
| gir1.2-webkit-6.0 · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | gir1.2-webkit-6.0 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| gir1.2-webkit-6.0 · Ubuntu 24.04.5 LTS (noble) | 2.50.4-0ubuntu0.24.04.1 | gir1.2-webkit-6.0 2.50.4-0ubuntu0.24.04.1 | Dec 17, 2025 |
| gir1.2-webkit-6.0 · Ubuntu 25.10 (questing) | 2.50.4-0ubuntu0.25.10.1 | gir1.2-webkit-6.0 2.50.4-0ubuntu0.25.10.1 | Dec 17, 2025 |
| gir1.2-webkit2-4.0 · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | gir1.2-webkit2-4.0 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| gir1.2-webkit2-4.1 · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | gir1.2-webkit2-4.1 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| gir1.2-webkit2-4.1 · Ubuntu 24.04.5 LTS (noble) | 2.50.4-0ubuntu0.24.04.1 | gir1.2-webkit2-4.1 2.50.4-0ubuntu0.24.04.1 | Dec 17, 2025 |
| gir1.2-webkit2-4.1 · Ubuntu 25.10 (questing) | 2.50.4-0ubuntu0.25.10.1 | gir1.2-webkit2-4.1 2.50.4-0ubuntu0.25.10.1 | Dec 17, 2025 |
| libjavascriptcoregtk-4.0-18 · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | libjavascriptcoregtk-4.0-18 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| libjavascriptcoregtk-4.0-bin · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | libjavascriptcoregtk-4.0-bin 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| libjavascriptcoregtk-4.0-bin · Ubuntu 24.04.5 LTS (noble) | 2.50.4-0ubuntu0.24.04.1 | libjavascriptcoregtk-4.0-bin 2.50.4-0ubuntu0.24.04.1 | Dec 17, 2025 |
| libjavascriptcoregtk-4.0-bin · Ubuntu 25.10 (questing) | 2.50.4-0ubuntu0.25.10.1 | libjavascriptcoregtk-4.0-bin 2.50.4-0ubuntu0.25.10.1 | Dec 17, 2025 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | libjavascriptcoregtk-4.1-0 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 24.04.5 LTS (noble) | 2.50.4-0ubuntu0.24.04.1 | libjavascriptcoregtk-4.1-0 2.50.4-0ubuntu0.24.04.1 | Dec 17, 2025 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 25.10 (questing) | 2.50.4-0ubuntu0.25.10.1 | libjavascriptcoregtk-4.1-0 2.50.4-0ubuntu0.25.10.1 | Dec 17, 2025 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | libjavascriptcoregtk-6.0-1 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 24.04.5 LTS (noble) | 2.50.4-0ubuntu0.24.04.1 | libjavascriptcoregtk-6.0-1 2.50.4-0ubuntu0.24.04.1 | Dec 17, 2025 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 25.10 (questing) | 2.50.4-0ubuntu0.25.10.1 | libjavascriptcoregtk-6.0-1 2.50.4-0ubuntu0.25.10.1 | Dec 17, 2025 |
| libjavascriptcoregtk-bin · Ubuntu 24.04.5 LTS (noble) | 2.50.4-0ubuntu0.24.04.1 | libjavascriptcoregtk-bin 2.50.4-0ubuntu0.24.04.1 | Dec 17, 2025 |
| libjavascriptcoregtk-bin · Ubuntu 25.10 (questing) | 2.50.4-0ubuntu0.25.10.1 | libjavascriptcoregtk-bin 2.50.4-0ubuntu0.25.10.1 | Dec 17, 2025 |
| libwebkit2gtk-4.0-37 · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | libwebkit2gtk-4.0-37 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| libwebkit2gtk-4.1-0 · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | libwebkit2gtk-4.1-0 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| libwebkit2gtk-4.1-0 · Ubuntu 24.04.5 LTS (noble) | 2.50.4-0ubuntu0.24.04.1 | libwebkit2gtk-4.1-0 2.50.4-0ubuntu0.24.04.1 | Dec 17, 2025 |
| libwebkit2gtk-4.1-0 · Ubuntu 25.10 (questing) | 2.50.4-0ubuntu0.25.10.1 | libwebkit2gtk-4.1-0 2.50.4-0ubuntu0.25.10.1 | Dec 17, 2025 |
| libwebkitgtk-6.0-4 · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | libwebkitgtk-6.0-4 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| libwebkitgtk-6.0-4 · Ubuntu 24.04.5 LTS (noble) | 2.50.4-0ubuntu0.24.04.1 | libwebkitgtk-6.0-4 2.50.4-0ubuntu0.24.04.1 | Dec 17, 2025 |
| libwebkitgtk-6.0-4 · Ubuntu 25.10 (questing) | 2.50.4-0ubuntu0.25.10.1 | libwebkitgtk-6.0-4 2.50.4-0ubuntu0.25.10.1 | Dec 17, 2025 |
| webkit2gtk · Debian 12.15 (bookworm) | 2.50.4-1~deb12u1 | DEBIAN-CVE-2025-43535 | Dec 17, 2025 |
| webkit2gtk · Debian 13.5 (trixie) | 2.50.4-1~deb13u1 | DEBIAN-CVE-2025-43535 | Dec 17, 2025 |
| webkit2gtk · Debian 14 | 2.50.4-1 | DEBIAN-CVE-2025-43535 | Dec 17, 2025 |
| webkit2gtk-driver · Ubuntu 22.04.1 LTS (jammy) | 2.50.4-0ubuntu0.22.04.1 | webkit2gtk-driver 2.50.4-0ubuntu0.22.04.1 | Dec 17, 2025 |
| webkit2gtk-driver · Ubuntu 24.04.5 LTS (noble) | 2.50.4-0ubuntu0.24.04.1 | webkit2gtk-driver 2.50.4-0ubuntu0.24.04.1 | Dec 17, 2025 |
| webkit2gtk-driver · Ubuntu 25.10 (questing) | 2.50.4-0ubuntu0.25.10.1 | webkit2gtk-driver 2.50.4-0ubuntu0.25.10.1 | Dec 17, 2025 |
| webkit2gtk3 · RHEL 8 | 0:2.50.4-1.el8_10 | RHSA-2025:23663 | Jan 16, 2026 |
| webkit2gtk3 · RHEL 9 | 0:2.50.4-1.el9_7 | RHSA-2025:23700 | Jan 16, 2026 |
| webkit2gtk3 · almalinux 8 | 2.50.4-1.el8_10 | ALSA-2025:23663 | Dec 18, 2025 |
| webkit2gtk3 · almalinux 9 | 2.50.4-1.el9_7 | ALSA-2025:23700 | Dec 18, 2025 |
| webkit2gtk3 · ol 8 | 0:2.50.4-1.el8_10 | ELSA-2025-23663 | Dec 18, 2025 |
| webkit2gtk3 · ol 9 | 0:2.50.4-1.el9_7 | ELSA-2025-23700 | Dec 18, 2025 |
| webkit2gtk3 · opensuse-leap 15.6 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 | Jan 5, 2026 |
| webkit2gtk3 · opensuse-leap 16.0 | 2.50.4-160000.1.1 | OPENSUSE-SU-2026:20065-1 | Jan 20, 2026 |
| webkit2gtk3 · rocky 8 | 0:2.50.4-1.el8_10 | RLSA-2025:23663 | Dec 19, 2025 |
| webkit2gtk3 · rocky 9 | 0:2.50.4-1.el9_7 | RLSA-2025:23700 | Dec 19, 2025 |
| webkit2gtk3 · sles 15.6 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 | Jan 5, 2026 |
| webkit2gtk3 · sles 15.7 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 | Jan 5, 2026 |
| webkit2gtk3 · sles 16.0 | 2.50.4-160000.1.1 | SUSE-SU-2026:20102-1 | Jan 20, 2026 |
| webkit2gtk3-devel · RHEL 8 | 0:2.50.4-1.el8_10 | RHSA-2025:23663 | Jan 16, 2026 |
| webkit2gtk3-devel · RHEL 9 | 0:2.50.4-1.el9_7 | RHSA-2025:23700 | Jan 16, 2026 |
| webkit2gtk3-devel · almalinux 8 | 2.50.4-1.el8_10 | ALSA-2025:23663 | Dec 18, 2025 |
| webkit2gtk3-devel · almalinux 9 | 2.50.4-1.el9_7 | ALSA-2025:23700 | Dec 18, 2025 |
| webkit2gtk3-devel · ol 8 | 0:2.50.4-1.el8_10 | ELSA-2025-23663 | Dec 18, 2025 |
| webkit2gtk3-devel · ol 9 | 0:2.50.4-1.el9_7 | ELSA-2025-23700 | Dec 18, 2025 |
| webkit2gtk3-jsc · RHEL 8 | 0:2.50.4-1.el8_10 | RHSA-2025:23663 | Jan 16, 2026 |
| webkit2gtk3-jsc · RHEL 9 | 0:2.50.4-1.el9_7 | RHSA-2025:23700 | Jan 16, 2026 |
| webkit2gtk3-jsc · almalinux 8 | 2.50.4-1.el8_10 | ALSA-2025:23663 | Dec 18, 2025 |
| webkit2gtk3-jsc · almalinux 9 | 2.50.4-1.el9_7 | ALSA-2025:23700 | Dec 18, 2025 |
| webkit2gtk3-jsc · ol 8 | 0:2.50.4-1.el8_10 | ELSA-2025-23663 | Dec 18, 2025 |
| webkit2gtk3-jsc · ol 9 | 0:2.50.4-1.el9_7 | ELSA-2025-23700 | Dec 18, 2025 |
| webkit2gtk3-jsc-devel · RHEL 8 | 0:2.50.4-1.el8_10 | RHSA-2025:23663 | Jan 16, 2026 |
| webkit2gtk3-jsc-devel · RHEL 9 | 0:2.50.4-1.el9_7 | RHSA-2025:23700 | Jan 16, 2026 |
| webkit2gtk3-jsc-devel · almalinux 8 | 2.50.4-1.el8_10 | ALSA-2025:23663 | Dec 18, 2025 |
| webkit2gtk3-jsc-devel · almalinux 9 | 2.50.4-1.el9_7 | ALSA-2025:23700 | Dec 18, 2025 |
| webkit2gtk3-jsc-devel · ol 8 | 0:2.50.4-1.el8_10 | ELSA-2025-23663 | Dec 18, 2025 |
| webkit2gtk3-jsc-devel · ol 9 | 0:2.50.4-1.el9_7 | ELSA-2025-23700 | Dec 18, 2025 |
| webkit2gtk3-soup2 · opensuse-leap 15.6 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 | Jan 5, 2026 |
| webkit2gtk3-soup2 · opensuse-leap 16.0 | 2.50.4-160000.1.1 | OPENSUSE-SU-2026:20065-1 | Jan 20, 2026 |
| webkit2gtk3-soup2 · sles 15.6 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 | Jan 5, 2026 |
| webkit2gtk3-soup2 · sles 15.7 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 | Jan 5, 2026 |
| webkit2gtk4 · opensuse-leap 15.6 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 | Jan 5, 2026 |
| webkit2gtk4 · opensuse-leap 16.0 | 2.50.4-160000.1.1 | OPENSUSE-SU-2026:20065-1 | Jan 20, 2026 |
| webkit2gtk4 · sles 15.6 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 | Jan 5, 2026 |
| webkit2gtk4 · sles 15.7 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 | Jan 5, 2026 |
| webkit2gtk4 · sles 16.0 | 2.50.4-160000.1.1 | SUSE-SU-2026:20102-1 | Jan 20, 2026 |
| webkitgtk-webdriver · Ubuntu 25.10 (questing) | 2.50.4-0ubuntu0.25.10.1 | webkitgtk-webdriver 2.50.4-0ubuntu0.25.10.1 | Dec 17, 2025 |
| wpewebkit · Debian 14 | 2.50.4-1 | DEBIAN-CVE-2025-43535 | Dec 17, 2025 |
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