CVE-2025-43240

WebKit: A download's origin may be incorrectly associated

CVE-2025-43240 is fixed in 25 products on 2 platforms, first by Sequoia 15.6, released July 29, 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
0.0101
63rd percentile

A logic issue was addressed with improved checks. WebKit Bugzilla: 293994

Where it's fixed

ProductFixed inFixReleased
macOS
Sequoia 15.6 Sequoia 15.6 Jul 29, 2025
Linux
gir1.2-javascriptcoregtk-4.0 · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 gir1.2-javascriptcoregtk-4.0 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
gir1.2-javascriptcoregtk-4.1 · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 gir1.2-javascriptcoregtk-4.1 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
gir1.2-javascriptcoregtk-4.1 · Ubuntu 24.04.5 LTS (noble) 2.48.5-0ubuntu0.24.04.1 gir1.2-javascriptcoregtk-4.1 2.48.5-0ubuntu0.24.04.1 Jul 29, 2025
gir1.2-javascriptcoregtk-4.1 · Ubuntu 25.04 (plucky) 2.48.5-0ubuntu0.25.04.1 gir1.2-javascriptcoregtk-4.1 2.48.5-0ubuntu0.25.04.1 Jan 16, 2026
gir1.2-javascriptcoregtk-6.0 · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 gir1.2-javascriptcoregtk-6.0 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
gir1.2-javascriptcoregtk-6.0 · Ubuntu 24.04.5 LTS (noble) 2.48.5-0ubuntu0.24.04.1 gir1.2-javascriptcoregtk-6.0 2.48.5-0ubuntu0.24.04.1 Jul 29, 2025
gir1.2-javascriptcoregtk-6.0 · Ubuntu 25.04 (plucky) 2.48.5-0ubuntu0.25.04.1 gir1.2-javascriptcoregtk-6.0 2.48.5-0ubuntu0.25.04.1 Jan 16, 2026
gir1.2-webkit-6.0 · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 gir1.2-webkit-6.0 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
gir1.2-webkit-6.0 · Ubuntu 24.04.5 LTS (noble) 2.48.5-0ubuntu0.24.04.1 gir1.2-webkit-6.0 2.48.5-0ubuntu0.24.04.1 Jul 29, 2025
gir1.2-webkit-6.0 · Ubuntu 25.04 (plucky) 2.48.5-0ubuntu0.25.04.1 gir1.2-webkit-6.0 2.48.5-0ubuntu0.25.04.1 Jan 16, 2026
gir1.2-webkit2-4.0 · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 gir1.2-webkit2-4.0 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
gir1.2-webkit2-4.1 · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 gir1.2-webkit2-4.1 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
gir1.2-webkit2-4.1 · Ubuntu 24.04.5 LTS (noble) 2.48.5-0ubuntu0.24.04.1 gir1.2-webkit2-4.1 2.48.5-0ubuntu0.24.04.1 Jul 29, 2025
gir1.2-webkit2-4.1 · Ubuntu 25.04 (plucky) 2.48.5-0ubuntu0.25.04.1 gir1.2-webkit2-4.1 2.48.5-0ubuntu0.25.04.1 Jan 16, 2026
libjavascriptcoregtk-4.0-18 · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 libjavascriptcoregtk-4.0-18 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
libjavascriptcoregtk-4.0-bin · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 libjavascriptcoregtk-4.0-bin 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
libjavascriptcoregtk-4.0-bin · Ubuntu 24.04.5 LTS (noble) 2.48.5-0ubuntu0.24.04.1 libjavascriptcoregtk-4.0-bin 2.48.5-0ubuntu0.24.04.1 Jul 29, 2025
libjavascriptcoregtk-4.0-bin · Ubuntu 25.04 (plucky) 2.48.5-0ubuntu0.25.04.1 libjavascriptcoregtk-4.0-bin 2.48.5-0ubuntu0.25.04.1 Jan 16, 2026
libjavascriptcoregtk-4.1-0 · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 libjavascriptcoregtk-4.1-0 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
libjavascriptcoregtk-4.1-0 · Ubuntu 24.04.5 LTS (noble) 2.48.5-0ubuntu0.24.04.1 libjavascriptcoregtk-4.1-0 2.48.5-0ubuntu0.24.04.1 Jul 29, 2025
libjavascriptcoregtk-4.1-0 · Ubuntu 25.04 (plucky) 2.48.5-0ubuntu0.25.04.1 libjavascriptcoregtk-4.1-0 2.48.5-0ubuntu0.25.04.1 Jan 16, 2026
libjavascriptcoregtk-6.0-1 · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 libjavascriptcoregtk-6.0-1 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
libjavascriptcoregtk-6.0-1 · Ubuntu 24.04.5 LTS (noble) 2.48.5-0ubuntu0.24.04.1 libjavascriptcoregtk-6.0-1 2.48.5-0ubuntu0.24.04.1 Jul 29, 2025
libjavascriptcoregtk-6.0-1 · Ubuntu 25.04 (plucky) 2.48.5-0ubuntu0.25.04.1 libjavascriptcoregtk-6.0-1 2.48.5-0ubuntu0.25.04.1 Jan 16, 2026
libjavascriptcoregtk-bin · Ubuntu 24.04.5 LTS (noble) 2.48.5-0ubuntu0.24.04.1 libjavascriptcoregtk-bin 2.48.5-0ubuntu0.24.04.1 Jul 29, 2025
libjavascriptcoregtk-bin · Ubuntu 25.04 (plucky) 2.48.5-0ubuntu0.25.04.1 libjavascriptcoregtk-bin 2.48.5-0ubuntu0.25.04.1 Jan 16, 2026
libwebkit2gtk-4.0-37 · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 libwebkit2gtk-4.0-37 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
libwebkit2gtk-4.1-0 · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 libwebkit2gtk-4.1-0 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
libwebkit2gtk-4.1-0 · Ubuntu 24.04.5 LTS (noble) 2.48.5-0ubuntu0.24.04.1 libwebkit2gtk-4.1-0 2.48.5-0ubuntu0.24.04.1 Jul 29, 2025
libwebkit2gtk-4.1-0 · Ubuntu 25.04 (plucky) 2.48.5-0ubuntu0.25.04.1 libwebkit2gtk-4.1-0 2.48.5-0ubuntu0.25.04.1 Jan 16, 2026
libwebkitgtk-6.0-4 · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 libwebkitgtk-6.0-4 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
libwebkitgtk-6.0-4 · Ubuntu 24.04.5 LTS (noble) 2.48.5-0ubuntu0.24.04.1 libwebkitgtk-6.0-4 2.48.5-0ubuntu0.24.04.1 Jul 29, 2025
libwebkitgtk-6.0-4 · Ubuntu 25.04 (plucky) 2.48.5-0ubuntu0.25.04.1 libwebkitgtk-6.0-4 2.48.5-0ubuntu0.25.04.1 Jan 16, 2026
webkit2gtk · Debian 12.15 (bookworm) 2.48.5-1~deb12u1 DEBIAN-CVE-2025-43240 Jul 30, 2025
webkit2gtk · Debian 13.5 (trixie) 2.48.5-1~deb13u1 DEBIAN-CVE-2025-43240 Jul 30, 2025
webkit2gtk · Debian 14 2.48.5-1 DEBIAN-CVE-2025-43240 Jul 30, 2025
webkit2gtk-driver · Ubuntu 22.04.1 LTS (jammy) 2.48.5-0ubuntu0.22.04.1 webkit2gtk-driver 2.48.5-0ubuntu0.22.04.1 Jul 29, 2025
webkit2gtk-driver · Ubuntu 24.04.5 LTS (noble) 2.48.5-0ubuntu0.24.04.1 webkit2gtk-driver 2.48.5-0ubuntu0.24.04.1 Jul 29, 2025
webkit2gtk-driver · Ubuntu 25.04 (plucky) 2.48.5-0ubuntu0.25.04.1 webkit2gtk-driver 2.48.5-0ubuntu0.25.04.1 Jan 16, 2026
webkit2gtk3 · RHEL 8 0:2.48.5-1.el8_10 RHSA-2025:13780 Aug 13, 2025
webkit2gtk3 · RHEL 9 0:2.48.5-1.el9_6 RHSA-2025:13782 Aug 13, 2025
webkit2gtk3 · almalinux 8 2.48.5-1.el8_10 ALSA-2025:13780 Aug 13, 2025
webkit2gtk3 · almalinux 9 2.48.5-1.el9_6 ALSA-2025:13782 Aug 13, 2025
webkit2gtk3 · ol 8 0:2.48.5-1.el8_10 ELSA-2025-13780 Aug 13, 2025
webkit2gtk3 · ol 9 0:2.48.5-1.el9_6 ELSA-2025-13782 Aug 13, 2025
webkit2gtk3 · opensuse-leap 15.6 2.48.5-150600.12.43.1 SUSE-SU-2025:02765-1 Aug 12, 2025
webkit2gtk3 · rocky 8 0:2.48.5-1.el8_10 RLSA-2025:13780 Sep 8, 2025
webkit2gtk3 · rocky 9 0:2.48.5-1.el9_6 RLSA-2025:13782 Oct 4, 2025
webkit2gtk3 · sles 15.6 2.48.5-150600.12.43.1 SUSE-SU-2025:02765-1 Aug 12, 2025
webkit2gtk3 · sles 15.7 2.48.5-150600.12.43.1 SUSE-SU-2025:02765-1 Aug 12, 2025
webkit2gtk3-devel · RHEL 8 0:2.48.5-1.el8_10 RHSA-2025:13780 Aug 13, 2025
webkit2gtk3-devel · RHEL 9 0:2.48.5-1.el9_6 RHSA-2025:13782 Aug 13, 2025
webkit2gtk3-devel · almalinux 8 2.48.5-1.el8_10 ALSA-2025:13780 Aug 13, 2025
webkit2gtk3-devel · almalinux 9 2.48.5-1.el9_6 ALSA-2025:13782 Aug 13, 2025
webkit2gtk3-devel · ol 8 0:2.48.5-1.el8_10 ELSA-2025-13780 Aug 13, 2025
webkit2gtk3-devel · ol 9 0:2.48.5-1.el9_6 ELSA-2025-13782 Aug 13, 2025
webkit2gtk3-jsc · RHEL 8 0:2.48.5-1.el8_10 RHSA-2025:13780 Aug 13, 2025
webkit2gtk3-jsc · RHEL 9 0:2.48.5-1.el9_6 RHSA-2025:13782 Aug 13, 2025
webkit2gtk3-jsc · almalinux 8 2.48.5-1.el8_10 ALSA-2025:13780 Aug 13, 2025
webkit2gtk3-jsc · almalinux 9 2.48.5-1.el9_6 ALSA-2025:13782 Aug 13, 2025
webkit2gtk3-jsc · ol 8 0:2.48.5-1.el8_10 ELSA-2025-13780 Aug 13, 2025
webkit2gtk3-jsc · ol 9 0:2.48.5-1.el9_6 ELSA-2025-13782 Aug 13, 2025
webkit2gtk3-jsc-devel · RHEL 8 0:2.48.5-1.el8_10 RHSA-2025:13780 Aug 13, 2025
webkit2gtk3-jsc-devel · RHEL 9 0:2.48.5-1.el9_6 RHSA-2025:13782 Aug 13, 2025
webkit2gtk3-jsc-devel · almalinux 8 2.48.5-1.el8_10 ALSA-2025:13780 Aug 13, 2025
webkit2gtk3-jsc-devel · almalinux 9 2.48.5-1.el9_6 ALSA-2025:13782 Aug 13, 2025
webkit2gtk3-jsc-devel · ol 8 0:2.48.5-1.el8_10 ELSA-2025-13780 Aug 13, 2025
webkit2gtk3-jsc-devel · ol 9 0:2.48.5-1.el9_6 ELSA-2025-13782 Aug 13, 2025
webkit2gtk3-soup2 · opensuse-leap 15.6 2.48.5-150600.12.43.1 SUSE-SU-2025:02765-1 Aug 12, 2025
webkit2gtk3-soup2 · sles 15.6 2.48.5-150600.12.43.1 SUSE-SU-2025:02765-1 Aug 12, 2025
webkit2gtk3-soup2 · sles 15.7 2.48.5-150600.12.43.1 SUSE-SU-2025:02765-1 Aug 12, 2025
webkit2gtk4 · opensuse-leap 15.6 2.48.5-150600.12.43.1 SUSE-SU-2025:02765-1 Aug 12, 2025
webkit2gtk4 · sles 15.6 2.48.5-150600.12.43.1 SUSE-SU-2025:02765-1 Aug 12, 2025
webkit2gtk4 · sles 15.7 2.48.5-150600.12.43.1 SUSE-SU-2025:02765-1 Aug 12, 2025
webkitgtk-webdriver · Ubuntu 25.04 (plucky) 2.48.5-0ubuntu0.25.04.1 webkitgtk-webdriver 2.48.5-0ubuntu0.25.04.1 Jan 16, 2026
wpewebkit · Debian 14 2.48.5-1 DEBIAN-CVE-2025-43240 Jul 30, 2025

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