webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * Mozilla:...
CVE-2026-43726 is fixed in 20 products on 1 platform, first by DEBIAN-CVE-2026-43726, released July 19, 2026. It is not reported as exploited. Patch Radar priority: High.
WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * Mozilla: Arbitrary JavaScript execution in PDF.js (CVE-2024-4367) * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-39872) * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43663) * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43676) * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43699) * webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43701) * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43705) * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43707) * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43712) * webkitgtk: webkitgtk: Visiting a website may leak sensitive data (CVE-2026-43713) * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43715) * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43716) * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43720) * webkitgtk: webkitgtk: A malicious website may silently hijack clipboard data (CVE-2026-43721) * webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43725) * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43726) * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43727) * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43731) * webkitgtk: webkitgtk: Maliciously crafted web content may disclose sensitive user information (CVE-2026-43732) * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43734) * webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory (CVE-2026-43740) * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43742) * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43745) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | gir1.2-javascriptcoregtk-4.1 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | gir1.2-javascriptcoregtk-4.1 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | gir1.2-javascriptcoregtk-6.0 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | gir1.2-javascriptcoregtk-6.0 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| gir1.2-webkit-6.0 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | gir1.2-webkit-6.0 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| gir1.2-webkit-6.0 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | gir1.2-webkit-6.0 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| gir1.2-webkit2-4.1 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | gir1.2-webkit2-4.1 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| gir1.2-webkit2-4.1 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | gir1.2-webkit2-4.1 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| libjavascriptcoregtk-4.0-bin · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | libjavascriptcoregtk-4.0-bin 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | libjavascriptcoregtk-4.1-0 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | libjavascriptcoregtk-4.1-0 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | libjavascriptcoregtk-6.0-1 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | libjavascriptcoregtk-6.0-1 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| libjavascriptcoregtk-bin · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | libjavascriptcoregtk-bin 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| libjavascriptcoregtk-bin · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | libjavascriptcoregtk-bin 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| libwebkit2gtk-4.1-0 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | libwebkit2gtk-4.1-0 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| libwebkit2gtk-4.1-0 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | libwebkit2gtk-4.1-0 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| libwebkitgtk-6.0-4 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | libwebkitgtk-6.0-4 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| libwebkitgtk-6.0-4 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | libwebkitgtk-6.0-4 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| webkit2gtk · Debian 13.5 (trixie) | 2.52.5-1~deb13u1 | DEBIAN-CVE-2026-43726 | Jul 19, 2026 |
| webkit2gtk · Debian 14 | 2.52.5-1 | DEBIAN-CVE-2026-43726 | Jul 19, 2026 |
| webkit2gtk-driver · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | webkit2gtk-driver 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| webkit2gtk3 · RHEL 8 | 0:2.54.0-1.el8_10 | RHSA-2026:74084 | Jul 21, 2026 |
| webkit2gtk3 · RHEL 9 | 0:2.52.5-1.el9_8 | RHSA-2026:42062 | Jul 21, 2026 |
| webkit2gtk3 · almalinux 8 | 2.54.0-1.el8_10 | ALSA-2026:74084 | Sep 30, 2026 |
| webkit2gtk3 · almalinux 9 | 2.52.5-1.el9_8 | ALSA-2026:42062 | Jul 20, 2026 |
| webkit2gtk3 · ol 8 | 0:2.52.5-1.el8_10 | ELSA-2026-42088 | Jul 20, 2026 |
| webkit2gtk3 · ol 9 | 0:2.52.5-1.el9_8 | ELSA-2026-42062 | Jul 20, 2026 |
| webkit2gtk3 · opensuse-leap 16.0 | 2.52.5-160000.1.1 | OPENSUSE-SU-2026:21508-1 | Aug 1, 2026 |
| webkit2gtk3 · rocky 8 | 0:2.54.0-1.el8_10 | RLSA-2026:74084 | Oct 1, 2026 |
| webkit2gtk3 · rocky 9 | 0:2.52.5-1.el9_8 | RLSA-2026:42062 | Jul 22, 2026 |
| webkit2gtk3 · sles 15.6 | 2.52.5-150600.12.71.1 | SUSE-SU-2026:3338-1 | Jul 28, 2026 |
| webkit2gtk3 · sles 15.7 | 2.52.5-150600.12.71.1 | SUSE-SU-2026:3338-1 | Jul 28, 2026 |
| webkit2gtk3 · sles 16.0 | 2.52.5-160000.1.1 | SUSE-SU-2026:23133-1 | Aug 1, 2026 |
| webkit2gtk3-devel · RHEL 8 | 0:2.54.0-1.el8_10 | RHSA-2026:74084 | Jul 21, 2026 |
| webkit2gtk3-devel · RHEL 9 | 0:2.52.5-1.el9_8 | RHSA-2026:42062 | Jul 21, 2026 |
| webkit2gtk3-devel · almalinux 8 | 2.54.0-1.el8_10 | ALSA-2026:74084 | Sep 30, 2026 |
| webkit2gtk3-devel · almalinux 9 | 2.52.5-1.el9_8 | ALSA-2026:42062 | Jul 20, 2026 |
| webkit2gtk3-devel · ol 8 | 0:2.52.5-1.el8_10 | ELSA-2026-42088 | Jul 20, 2026 |
| webkit2gtk3-devel · ol 9 | 0:2.52.5-1.el9_8 | ELSA-2026-42062 | Jul 20, 2026 |
| webkit2gtk3-jsc · RHEL 8 | 0:2.54.0-1.el8_10 | RHSA-2026:74084 | Jul 21, 2026 |
| webkit2gtk3-jsc · RHEL 9 | 0:2.52.5-1.el9_8 | RHSA-2026:42062 | Jul 21, 2026 |
| webkit2gtk3-jsc · almalinux 8 | 2.54.0-1.el8_10 | ALSA-2026:74084 | Sep 30, 2026 |
| webkit2gtk3-jsc · almalinux 9 | 2.52.5-1.el9_8 | ALSA-2026:42062 | Jul 20, 2026 |
| webkit2gtk3-jsc · ol 8 | 0:2.52.5-1.el8_10 | ELSA-2026-42088 | Jul 20, 2026 |
| webkit2gtk3-jsc · ol 9 | 0:2.52.5-1.el9_8 | ELSA-2026-42062 | Jul 20, 2026 |
| webkit2gtk3-jsc-devel · RHEL 8 | 0:2.54.0-1.el8_10 | RHSA-2026:74084 | Jul 21, 2026 |
| webkit2gtk3-jsc-devel · RHEL 9 | 0:2.52.5-1.el9_8 | RHSA-2026:42062 | Jul 21, 2026 |
| webkit2gtk3-jsc-devel · almalinux 8 | 2.54.0-1.el8_10 | ALSA-2026:74084 | Sep 30, 2026 |
| webkit2gtk3-jsc-devel · almalinux 9 | 2.52.5-1.el9_8 | ALSA-2026:42062 | Jul 20, 2026 |
| webkit2gtk3-jsc-devel · ol 8 | 0:2.52.5-1.el8_10 | ELSA-2026-42088 | Jul 20, 2026 |
| webkit2gtk3-jsc-devel · ol 9 | 0:2.52.5-1.el9_8 | ELSA-2026-42062 | Jul 20, 2026 |
| webkit2gtk3-soup2 · opensuse-leap 16.0 | 2.52.5-160000.1.1 | OPENSUSE-SU-2026:21508-1 | Aug 1, 2026 |
| webkit2gtk3-soup2 · sles 15.6 | 2.52.5-150600.12.71.1 | SUSE-SU-2026:3338-1 | Jul 28, 2026 |
| webkit2gtk3-soup2 · sles 15.7 | 2.52.5-150600.12.71.1 | SUSE-SU-2026:3338-1 | Jul 28, 2026 |
| webkit2gtk4 · opensuse-leap 16.0 | 2.52.5-160000.1.1 | OPENSUSE-SU-2026:21508-1 | Aug 1, 2026 |
| webkit2gtk4 · sles 15.6 | 2.52.5-150600.12.71.1 | SUSE-SU-2026:3338-1 | Jul 28, 2026 |
| webkit2gtk4 · sles 15.7 | 2.52.5-150600.12.71.1 | SUSE-SU-2026:3338-1 | Jul 28, 2026 |
| webkit2gtk4 · sles 16.0 | 2.52.5-160000.1.1 | SUSE-SU-2026:23133-1 | Aug 1, 2026 |
| webkitgtk-webdriver · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | webkitgtk-webdriver 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| wpewebkit · Debian 14 | 2.52.5-1 | DEBIAN-CVE-2026-43726 | Jul 19, 2026 |
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