CVE-2025-43342
WebKit: Processing maliciously crafted web content may lead to an unexpected process crash
CVE-2025-43342 is fixed in 25 products on 2 platforms, first by Tahoe 26.0, released September 15, 2025. It is not reported as exploited. Patch Radar priority: Urgent.
UrgentFixed on 2 platforms
CVSS
9.8
CRITICAL
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0077
55th percentile
A correctness issue was addressed with improved checks. WebKit Bugzilla: 296042
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| macOS | |||
| Tahoe | 26.0 | Tahoe 26.0 | Sep 15, 2025 |
| Linux | |||
| gir1.2-javascriptcoregtk-4.0 · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | gir1.2-javascriptcoregtk-4.0 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | gir1.2-javascriptcoregtk-4.1 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 24.04.5 LTS (noble) | 2.48.7-0ubuntu0.24.04.2 | gir1.2-javascriptcoregtk-4.1 2.48.7-0ubuntu0.24.04.2 | Sep 15, 2025 |
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 25.04 (plucky) | 2.48.7-0ubuntu0.25.04.2 | gir1.2-javascriptcoregtk-4.1 2.48.7-0ubuntu0.25.04.2 | Jan 16, 2026 |
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | gir1.2-javascriptcoregtk-4.1 2.50.0-2ubuntu1 | Sep 15, 2025 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | gir1.2-javascriptcoregtk-6.0 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 24.04.5 LTS (noble) | 2.48.7-0ubuntu0.24.04.2 | gir1.2-javascriptcoregtk-6.0 2.48.7-0ubuntu0.24.04.2 | Sep 15, 2025 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 25.04 (plucky) | 2.48.7-0ubuntu0.25.04.2 | gir1.2-javascriptcoregtk-6.0 2.48.7-0ubuntu0.25.04.2 | Jan 16, 2026 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | gir1.2-javascriptcoregtk-6.0 2.50.0-2ubuntu1 | Sep 15, 2025 |
| gir1.2-webkit-6.0 · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | gir1.2-webkit-6.0 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| gir1.2-webkit-6.0 · Ubuntu 24.04.5 LTS (noble) | 2.48.7-0ubuntu0.24.04.2 | gir1.2-webkit-6.0 2.48.7-0ubuntu0.24.04.2 | Sep 15, 2025 |
| gir1.2-webkit-6.0 · Ubuntu 25.04 (plucky) | 2.48.7-0ubuntu0.25.04.2 | gir1.2-webkit-6.0 2.48.7-0ubuntu0.25.04.2 | Jan 16, 2026 |
| gir1.2-webkit-6.0 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | gir1.2-webkit-6.0 2.50.0-2ubuntu1 | Sep 15, 2025 |
| gir1.2-webkit2-4.0 · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | gir1.2-webkit2-4.0 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| gir1.2-webkit2-4.1 · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | gir1.2-webkit2-4.1 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| gir1.2-webkit2-4.1 · Ubuntu 24.04.5 LTS (noble) | 2.48.7-0ubuntu0.24.04.2 | gir1.2-webkit2-4.1 2.48.7-0ubuntu0.24.04.2 | Sep 15, 2025 |
| gir1.2-webkit2-4.1 · Ubuntu 25.04 (plucky) | 2.48.7-0ubuntu0.25.04.2 | gir1.2-webkit2-4.1 2.48.7-0ubuntu0.25.04.2 | Jan 16, 2026 |
| gir1.2-webkit2-4.1 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | gir1.2-webkit2-4.1 2.50.0-2ubuntu1 | Sep 15, 2025 |
| libjavascriptcoregtk-4.0-18 · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | libjavascriptcoregtk-4.0-18 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| libjavascriptcoregtk-4.0-bin · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | libjavascriptcoregtk-4.0-bin 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| libjavascriptcoregtk-4.0-bin · Ubuntu 24.04.5 LTS (noble) | 2.48.7-0ubuntu0.24.04.2 | libjavascriptcoregtk-4.0-bin 2.48.7-0ubuntu0.24.04.2 | Sep 15, 2025 |
| libjavascriptcoregtk-4.0-bin · Ubuntu 25.04 (plucky) | 2.48.7-0ubuntu0.25.04.2 | libjavascriptcoregtk-4.0-bin 2.48.7-0ubuntu0.25.04.2 | Jan 16, 2026 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | libjavascriptcoregtk-4.1-0 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 24.04.5 LTS (noble) | 2.48.7-0ubuntu0.24.04.2 | libjavascriptcoregtk-4.1-0 2.48.7-0ubuntu0.24.04.2 | Sep 15, 2025 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 25.04 (plucky) | 2.48.7-0ubuntu0.25.04.2 | libjavascriptcoregtk-4.1-0 2.48.7-0ubuntu0.25.04.2 | Jan 16, 2026 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | libjavascriptcoregtk-4.1-0 2.50.0-2ubuntu1 | Sep 15, 2025 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | libjavascriptcoregtk-6.0-1 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 24.04.5 LTS (noble) | 2.48.7-0ubuntu0.24.04.2 | libjavascriptcoregtk-6.0-1 2.48.7-0ubuntu0.24.04.2 | Sep 15, 2025 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 25.04 (plucky) | 2.48.7-0ubuntu0.25.04.2 | libjavascriptcoregtk-6.0-1 2.48.7-0ubuntu0.25.04.2 | Jan 16, 2026 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | libjavascriptcoregtk-6.0-1 2.50.0-2ubuntu1 | Sep 15, 2025 |
| libjavascriptcoregtk-bin · Ubuntu 24.04.5 LTS (noble) | 2.48.7-0ubuntu0.24.04.2 | libjavascriptcoregtk-bin 2.48.7-0ubuntu0.24.04.2 | Sep 15, 2025 |
| libjavascriptcoregtk-bin · Ubuntu 25.04 (plucky) | 2.48.7-0ubuntu0.25.04.2 | libjavascriptcoregtk-bin 2.48.7-0ubuntu0.25.04.2 | Jan 16, 2026 |
| libjavascriptcoregtk-bin · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | libjavascriptcoregtk-bin 2.50.0-2ubuntu1 | Sep 15, 2025 |
| libwebkit2gtk-4.0-37 · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | libwebkit2gtk-4.0-37 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| libwebkit2gtk-4.1-0 · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | libwebkit2gtk-4.1-0 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| libwebkit2gtk-4.1-0 · Ubuntu 24.04.5 LTS (noble) | 2.48.7-0ubuntu0.24.04.2 | libwebkit2gtk-4.1-0 2.48.7-0ubuntu0.24.04.2 | Sep 15, 2025 |
| libwebkit2gtk-4.1-0 · Ubuntu 25.04 (plucky) | 2.48.7-0ubuntu0.25.04.2 | libwebkit2gtk-4.1-0 2.48.7-0ubuntu0.25.04.2 | Jan 16, 2026 |
| libwebkit2gtk-4.1-0 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | libwebkit2gtk-4.1-0 2.50.0-2ubuntu1 | Sep 15, 2025 |
| libwebkitgtk-6.0-4 · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | libwebkitgtk-6.0-4 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| libwebkitgtk-6.0-4 · Ubuntu 24.04.5 LTS (noble) | 2.48.7-0ubuntu0.24.04.2 | libwebkitgtk-6.0-4 2.48.7-0ubuntu0.24.04.2 | Sep 15, 2025 |
| libwebkitgtk-6.0-4 · Ubuntu 25.04 (plucky) | 2.48.7-0ubuntu0.25.04.2 | libwebkitgtk-6.0-4 2.48.7-0ubuntu0.25.04.2 | Jan 16, 2026 |
| libwebkitgtk-6.0-4 · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | libwebkitgtk-6.0-4 2.50.0-2ubuntu1 | Sep 15, 2025 |
| webkit2gtk · Debian 12.15 (bookworm) | 2.50.1-1~deb12u1 | DEBIAN-CVE-2025-43342 | Sep 15, 2025 |
| webkit2gtk · Debian 13.5 (trixie) | 2.50.1-1~deb13u1 | DEBIAN-CVE-2025-43342 | Sep 15, 2025 |
| webkit2gtk · Debian 14 | 2.50.0-1 | DEBIAN-CVE-2025-43342 | Sep 15, 2025 |
| webkit2gtk-driver · Ubuntu 22.04.1 LTS (jammy) | 2.48.7-0ubuntu0.22.04.2 | webkit2gtk-driver 2.48.7-0ubuntu0.22.04.2 | Sep 15, 2025 |
| webkit2gtk-driver · Ubuntu 24.04.5 LTS (noble) | 2.48.7-0ubuntu0.24.04.2 | webkit2gtk-driver 2.48.7-0ubuntu0.24.04.2 | Sep 15, 2025 |
| webkit2gtk-driver · Ubuntu 25.04 (plucky) | 2.48.7-0ubuntu0.25.04.2 | webkit2gtk-driver 2.48.7-0ubuntu0.25.04.2 | Jan 16, 2026 |
| webkit2gtk3 · RHEL 8 | 0:2.50.0-1.el8_10 | RHSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3 · RHEL 9 | 0:2.50.1-1.el9_7 | RHSA-2025:20922 | Nov 11, 2025 |
| webkit2gtk3 · almalinux 8 | 2.50.0-1.el8_10 | ALSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3 · almalinux 9 | 2.50.1-1.el9_7 | ALSA-2025:20922 | Nov 11, 2025 |
| webkit2gtk3 · ol 8 | 0:2.50.0-1.el8_10 | ELSA-2025-17802 | Oct 13, 2025 |
| webkit2gtk3 · ol 9 | 0:2.50.1-0.el9_6 | ELSA-2025-18097 | Oct 20, 2025 |
| webkit2gtk3 · opensuse-leap 15.6 | 2.50.1-150600.12.48.3 | SUSE-SU-2025:3701-1 | Oct 21, 2025 |
| webkit2gtk3 · opensuse-leap 16.0 | 2.50.4-160000.1.1 | OPENSUSE-SU-2026:20065-1 | Jan 20, 2026 |
| webkit2gtk3 · rocky 8 | 0:2.50.0-1.el8_10 | RLSA-2025:17802 | Oct 14, 2025 |
| webkit2gtk3 · rocky 9 | 0:2.50.1-1.el9_7 | RLSA-2025:20922 | Nov 21, 2025 |
| webkit2gtk3 · sles 15.6 | 2.50.1-150600.12.48.3 | SUSE-SU-2025:3701-1 | Oct 21, 2025 |
| webkit2gtk3 · sles 15.7 | 2.50.1-150600.12.48.3 | SUSE-SU-2025:3701-1 | Oct 21, 2025 |
| webkit2gtk3 · sles 16.0 | 2.50.4-160000.1.1 | SUSE-SU-2026:20102-1 | Jan 20, 2026 |
| webkit2gtk3-devel · RHEL 8 | 0:2.50.0-1.el8_10 | RHSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3-devel · RHEL 9 | 0:2.50.1-1.el9_7 | RHSA-2025:20922 | Nov 11, 2025 |
| webkit2gtk3-devel · almalinux 8 | 2.50.0-1.el8_10 | ALSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3-devel · almalinux 9 | 2.50.1-1.el9_7 | ALSA-2025:20922 | Nov 11, 2025 |
| webkit2gtk3-devel · ol 8 | 0:2.50.0-1.el8_10 | ELSA-2025-17802 | Oct 13, 2025 |
| webkit2gtk3-devel · ol 9 | 0:2.50.1-0.el9_6 | ELSA-2025-18097 | Oct 20, 2025 |
| webkit2gtk3-jsc · RHEL 8 | 0:2.50.0-1.el8_10 | RHSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3-jsc · RHEL 9 | 0:2.50.1-1.el9_7 | RHSA-2025:20922 | Nov 11, 2025 |
| webkit2gtk3-jsc · almalinux 8 | 2.50.0-1.el8_10 | ALSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3-jsc · almalinux 9 | 2.50.1-1.el9_7 | ALSA-2025:20922 | Nov 11, 2025 |
| webkit2gtk3-jsc · ol 8 | 0:2.50.0-1.el8_10 | ELSA-2025-17802 | Oct 13, 2025 |
| webkit2gtk3-jsc · ol 9 | 0:2.50.1-0.el9_6 | ELSA-2025-18097 | Oct 20, 2025 |
| webkit2gtk3-jsc-devel · RHEL 8 | 0:2.50.0-1.el8_10 | RHSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3-jsc-devel · RHEL 9 | 0:2.50.1-1.el9_7 | RHSA-2025:20922 | Nov 11, 2025 |
| webkit2gtk3-jsc-devel · almalinux 8 | 2.50.0-1.el8_10 | ALSA-2025:17802 | Oct 13, 2025 |
| webkit2gtk3-jsc-devel · almalinux 9 | 2.50.1-1.el9_7 | ALSA-2025:20922 | Nov 11, 2025 |
| webkit2gtk3-jsc-devel · ol 8 | 0:2.50.0-1.el8_10 | ELSA-2025-17802 | Oct 13, 2025 |
| webkit2gtk3-jsc-devel · ol 9 | 0:2.50.1-0.el9_6 | ELSA-2025-18097 | Oct 20, 2025 |
| webkit2gtk3-soup2 · opensuse-leap 15.6 | 2.50.1-150600.12.48.3 | SUSE-SU-2025:3701-1 | Oct 21, 2025 |
| 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 | 2.50.1-150600.12.48.3 | SUSE-SU-2025:3701-1 | Oct 21, 2025 |
| webkit2gtk3-soup2 · sles 15.7 | 2.50.1-150600.12.48.3 | SUSE-SU-2025:3701-1 | Oct 21, 2025 |
| webkit2gtk4 · opensuse-leap 15.6 | 2.50.1-150600.12.48.3 | SUSE-SU-2025:3701-1 | Oct 21, 2025 |
| webkit2gtk4 · opensuse-leap 16.0 | 2.50.4-160000.1.1 | OPENSUSE-SU-2026:20065-1 | Jan 20, 2026 |
| webkit2gtk4 · sles 15.6 | 2.50.1-150600.12.48.3 | SUSE-SU-2025:3701-1 | Oct 21, 2025 |
| webkit2gtk4 · sles 15.7 | 2.50.1-150600.12.48.3 | SUSE-SU-2025:3701-1 | Oct 21, 2025 |
| webkit2gtk4 · sles 16.0 | 2.50.4-160000.1.1 | SUSE-SU-2026:20102-1 | Jan 20, 2026 |
| webkitgtk-webdriver · Ubuntu 25.04 (plucky) | 2.48.7-0ubuntu0.25.04.2 | webkitgtk-webdriver 2.48.7-0ubuntu0.25.04.2 | Jan 16, 2026 |
| webkitgtk-webdriver · Ubuntu 25.10 (questing) | 2.50.0-2ubuntu1 | webkitgtk-webdriver 2.50.0-2ubuntu1 | Sep 15, 2025 |
| wpewebkit · Debian 14 | 2.50.0-1 | DEBIAN-CVE-2025-43342 | Sep 15, 2025 |
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