CVE-2026-65331

webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform

CVE-2026-65331 is fixed in 8 products on 1 platform, first by RHSA-2026:74084, released July 21, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
9.6
important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0065
51st percentile

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * chromium-browser: Skia in Google Chrome: Sandbox escape via crafted HTML page (CVE-2026-19154) * chromium-browser: skia: Skia: Sandbox escape via out-of-bounds write in Chromium (CVE-2026-19173) * chromium-browser: Skia in Google Chrome: Cross-origin data leakage via uninitialized use (CVE-2026-19161) * chromium-browser: Skia: Arbitrary code execution via crafted HTML page (CVE-2026-19176) * chromium-browser: Chromium: Information leak allows web origin policy bypass (CVE-2026-76041) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-28984) * webkitgtk: Visiting a website may lead to an app denial-of-service (CVE-2026-43804) * webkitgtk: Websites may know if the user has visited a given link (CVE-2026-64713) * webkitgtk: Maliciously crafted web content may violate iframe sandboxing policy (CVE-2026-64728) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process termination (CVE-2026-64787) * webkitgtk: Visiting a website that frames malicious content may lead to UI spoofing (CVE-2026-64730) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-64757) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-64783) * webkitgtk: use-after-free of JSCValue function parameters (CVE-2026-78376) * chromium-browser: Skia: Information disclosure via out-of-bounds read in crafted media file (CVE-2026-79020) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-43795) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-64715) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-64718) * webkitgtk: Visiting a maliciously crafted website may leak sensitive data (CVE-2026-64778) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-64779) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-64780) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-64782) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-64784) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-65331) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-65332) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-65334) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-65335) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-65336) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-65337) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-65338) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-65340) * webkitgtk: Processing maliciously crafted web content may lead to memory corruption (CVE-2026-65341) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-65351) * webkitgtk: Validate the full FeatureList array once in OpenTypeVerticalData findFeature (CVE-2026-83596) * chromium-browser: skia: chromium-browser: Information leak in Skia (CVE-2026-84359) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process termination (CVE-2026-84635) * webkitgtk: Processing maliciously crafted web content may disclose sensitive user information (CVE-2026-64753) 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

ProductFixed inFixReleased
Linux
webkit2gtk · Debian 13.5 (trixie) 2.54.0-1~deb13u1 DEBIAN-CVE-2026-65331 Aug 17, 2026
webkit2gtk3 · RHEL 8 0:2.54.0-1.el8_10 RHSA-2026:74084 Jul 21, 2026
webkit2gtk3 · RHEL 9 0:2.54.0-1.el9_8 RHSA-2026:69098 Aug 22, 2026
webkit2gtk3 · almalinux 8 2.54.0-1.el8_10 ALSA-2026:74084 Sep 30, 2026
webkit2gtk3 · almalinux 9 2.54.0-1.el9_8 ALSA-2026:69098 Sep 21, 2026
webkit2gtk3 · ol 8 0:2.54.0-1.el8_10 ELSA-2026-74084 Oct 1, 2026
webkit2gtk3 · ol 9 0:2.54.0-1.el9_8 ELSA-2026-69098 Sep 21, 2026
webkit2gtk3 · opensuse-leap 16.0 2.54.1-160000.1.1 OPENSUSE-SU-2026:22076-1 Nov 7, 2026
webkit2gtk3 · rocky 8 0:2.54.0-1.el8_10 RLSA-2026:74084 Oct 1, 2026
webkit2gtk3 · rocky 9 0:2.54.0-1.el9_8 RLSA-2026:69098 Sep 22, 2026
webkit2gtk3 · sles 15.6 2.54.1-150600.12.81.3 SUSE-SU-2026:4858-1 Nov 7, 2026
webkit2gtk3 · sles 15.7 2.54.1-150600.12.81.3 SUSE-SU-2026:4858-1 Nov 7, 2026
webkit2gtk3 · sles 16.0 2.54.1-160000.1.1 SUSE-SU-2026:24225-1 Nov 7, 2026
webkit2gtk3-devel · RHEL 8 0:2.54.0-1.el8_10 RHSA-2026:74084 Jul 21, 2026
webkit2gtk3-devel · RHEL 9 0:2.54.0-1.el9_8 RHSA-2026:69098 Aug 22, 2026
webkit2gtk3-devel · almalinux 8 2.54.0-1.el8_10 ALSA-2026:74084 Sep 30, 2026
webkit2gtk3-devel · almalinux 9 2.54.0-1.el9_8 ALSA-2026:69098 Sep 21, 2026
webkit2gtk3-devel · ol 8 0:2.54.0-1.el8_10 ELSA-2026-74084 Oct 1, 2026
webkit2gtk3-devel · ol 9 0:2.54.0-1.el9_8 ELSA-2026-69098 Sep 21, 2026
webkit2gtk3-jsc · RHEL 8 0:2.54.0-1.el8_10 RHSA-2026:74084 Jul 21, 2026
webkit2gtk3-jsc · RHEL 9 0:2.54.0-1.el9_8 RHSA-2026:69098 Aug 22, 2026
webkit2gtk3-jsc · almalinux 8 2.54.0-1.el8_10 ALSA-2026:74084 Sep 30, 2026
webkit2gtk3-jsc · almalinux 9 2.54.0-1.el9_8 ALSA-2026:69098 Sep 21, 2026
webkit2gtk3-jsc · ol 8 0:2.54.0-1.el8_10 ELSA-2026-74084 Oct 1, 2026
webkit2gtk3-jsc · ol 9 0:2.54.0-1.el9_8 ELSA-2026-69098 Sep 21, 2026
webkit2gtk3-jsc-devel · RHEL 8 0:2.54.0-1.el8_10 RHSA-2026:74084 Jul 21, 2026
webkit2gtk3-jsc-devel · RHEL 9 0:2.54.0-1.el9_8 RHSA-2026:69098 Aug 22, 2026
webkit2gtk3-jsc-devel · almalinux 8 2.54.0-1.el8_10 ALSA-2026:74084 Sep 30, 2026
webkit2gtk3-jsc-devel · almalinux 9 2.54.0-1.el9_8 ALSA-2026:69098 Sep 21, 2026
webkit2gtk3-jsc-devel · ol 8 0:2.54.0-1.el8_10 ELSA-2026-74084 Oct 1, 2026
webkit2gtk3-jsc-devel · ol 9 0:2.54.0-1.el9_8 ELSA-2026-69098 Sep 21, 2026
webkit2gtk3-soup2 · opensuse-leap 16.0 2.54.1-160000.1.1 OPENSUSE-SU-2026:22076-1 Nov 7, 2026
webkit2gtk3-soup2 · sles 15.6 2.54.1-150600.12.81.4 SUSE-SU-2026:4858-1 Nov 7, 2026
webkit2gtk3-soup2 · sles 15.7 2.54.1-150600.12.81.4 SUSE-SU-2026:4858-1 Nov 7, 2026
webkit2gtk4 · opensuse-leap 16.0 2.54.1-160000.1.1 OPENSUSE-SU-2026:22076-1 Nov 7, 2026
webkit2gtk4 · sles 15.6 2.54.1-150600.12.81.4 SUSE-SU-2026:4858-1 Nov 7, 2026
webkit2gtk4 · sles 15.7 2.54.1-150600.12.81.4 SUSE-SU-2026:4858-1 Nov 7, 2026
webkit2gtk4 · sles 16.0 2.54.1-160000.1.1 SUSE-SU-2026:24225-1 Nov 7, 2026
wpewebkit · Debian 14 2.54.0-1 DEBIAN-CVE-2026-65331 Aug 17, 2026

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