# 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. - Web page: https://patchblox.com/security/cve/CVE-2026-65331 - Priority: High - CVSS: 9.6 (important) - EPSS: 0.0065 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Aug 17, 2026 ## Description 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 | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | webkit2gtk Debian 13.5 (trixie) | 2.54.0-1~deb13u1 | [DEBIAN-CVE-2026-65331](https://patchblox.com/security/data/fix/linux/debian-cve-2026-65331.md) | Aug 17, 2026 | | Linux | webkit2gtk3 RHEL 8 | 0:2.54.0-1.el8_10 | [RHSA-2026:74084](https://patchblox.com/security/data/fix/linux/rhsa-2026-74084.md) | Jul 21, 2026 | | Linux | webkit2gtk3 RHEL 9 | 0:2.54.0-1.el9_8 | [RHSA-2026:69098](https://patchblox.com/security/data/fix/linux/rhsa-2026-69098.md) | Aug 22, 2026 | | Linux | webkit2gtk3 almalinux 8 | 2.54.0-1.el8_10 | [ALSA-2026:74084](https://patchblox.com/security/data/fix/linux/alsa-2026-74084.md) | Sep 30, 2026 | | Linux | webkit2gtk3 almalinux 9 | 2.54.0-1.el9_8 | [ALSA-2026:69098](https://patchblox.com/security/data/fix/linux/alsa-2026-69098.md) | Sep 21, 2026 | | Linux | webkit2gtk3 ol 8 | 0:2.54.0-1.el8_10 | [ELSA-2026-74084](https://patchblox.com/security/data/fix/linux/elsa-2026-74084.md) | Oct 1, 2026 | | Linux | webkit2gtk3 ol 9 | 0:2.54.0-1.el9_8 | [ELSA-2026-69098](https://patchblox.com/security/data/fix/linux/elsa-2026-69098.md) | Sep 21, 2026 | | Linux | webkit2gtk3 opensuse-leap 16.0 | 2.54.1-160000.1.1 | [OPENSUSE-SU-2026:22076-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22076-1.md) | Nov 7, 2026 | | Linux | webkit2gtk3 rocky 8 | 0:2.54.0-1.el8_10 | [RLSA-2026:74084](https://patchblox.com/security/data/fix/linux/rlsa-2026-74084.md) | Oct 1, 2026 | | Linux | webkit2gtk3 rocky 9 | 0:2.54.0-1.el9_8 | [RLSA-2026:69098](https://patchblox.com/security/data/fix/linux/rlsa-2026-69098.md) | Sep 22, 2026 | | Linux | webkit2gtk3 sles 15.6 | 2.54.1-150600.12.81.3 | [SUSE-SU-2026:4858-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4858-1.md) | Nov 7, 2026 | | Linux | webkit2gtk3 sles 15.7 | 2.54.1-150600.12.81.3 | [SUSE-SU-2026:4858-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4858-1.md) | Nov 7, 2026 | | Linux | webkit2gtk3 sles 16.0 | 2.54.1-160000.1.1 | [SUSE-SU-2026:24225-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24225-1.md) | Nov 7, 2026 | | Linux | webkit2gtk3-devel RHEL 8 | 0:2.54.0-1.el8_10 | [RHSA-2026:74084](https://patchblox.com/security/data/fix/linux/rhsa-2026-74084.md) | Jul 21, 2026 | | Linux | webkit2gtk3-devel RHEL 9 | 0:2.54.0-1.el9_8 | [RHSA-2026:69098](https://patchblox.com/security/data/fix/linux/rhsa-2026-69098.md) | Aug 22, 2026 | | Linux | webkit2gtk3-devel almalinux 8 | 2.54.0-1.el8_10 | [ALSA-2026:74084](https://patchblox.com/security/data/fix/linux/alsa-2026-74084.md) | Sep 30, 2026 | | Linux | webkit2gtk3-devel almalinux 9 | 2.54.0-1.el9_8 | [ALSA-2026:69098](https://patchblox.com/security/data/fix/linux/alsa-2026-69098.md) | Sep 21, 2026 | | Linux | webkit2gtk3-devel ol 8 | 0:2.54.0-1.el8_10 | [ELSA-2026-74084](https://patchblox.com/security/data/fix/linux/elsa-2026-74084.md) | Oct 1, 2026 | | Linux | webkit2gtk3-devel ol 9 | 0:2.54.0-1.el9_8 | [ELSA-2026-69098](https://patchblox.com/security/data/fix/linux/elsa-2026-69098.md) | Sep 21, 2026 | | Linux | webkit2gtk3-jsc RHEL 8 | 0:2.54.0-1.el8_10 | [RHSA-2026:74084](https://patchblox.com/security/data/fix/linux/rhsa-2026-74084.md) | Jul 21, 2026 | | Linux | webkit2gtk3-jsc RHEL 9 | 0:2.54.0-1.el9_8 | [RHSA-2026:69098](https://patchblox.com/security/data/fix/linux/rhsa-2026-69098.md) | Aug 22, 2026 | | Linux | webkit2gtk3-jsc almalinux 8 | 2.54.0-1.el8_10 | [ALSA-2026:74084](https://patchblox.com/security/data/fix/linux/alsa-2026-74084.md) | Sep 30, 2026 | | Linux | webkit2gtk3-jsc almalinux 9 | 2.54.0-1.el9_8 | [ALSA-2026:69098](https://patchblox.com/security/data/fix/linux/alsa-2026-69098.md) | Sep 21, 2026 | | Linux | webkit2gtk3-jsc ol 8 | 0:2.54.0-1.el8_10 | [ELSA-2026-74084](https://patchblox.com/security/data/fix/linux/elsa-2026-74084.md) | Oct 1, 2026 | | Linux | webkit2gtk3-jsc ol 9 | 0:2.54.0-1.el9_8 | [ELSA-2026-69098](https://patchblox.com/security/data/fix/linux/elsa-2026-69098.md) | Sep 21, 2026 | | Linux | webkit2gtk3-jsc-devel RHEL 8 | 0:2.54.0-1.el8_10 | [RHSA-2026:74084](https://patchblox.com/security/data/fix/linux/rhsa-2026-74084.md) | Jul 21, 2026 | | Linux | webkit2gtk3-jsc-devel RHEL 9 | 0:2.54.0-1.el9_8 | [RHSA-2026:69098](https://patchblox.com/security/data/fix/linux/rhsa-2026-69098.md) | Aug 22, 2026 | | Linux | webkit2gtk3-jsc-devel almalinux 8 | 2.54.0-1.el8_10 | [ALSA-2026:74084](https://patchblox.com/security/data/fix/linux/alsa-2026-74084.md) | Sep 30, 2026 | | Linux | webkit2gtk3-jsc-devel almalinux 9 | 2.54.0-1.el9_8 | [ALSA-2026:69098](https://patchblox.com/security/data/fix/linux/alsa-2026-69098.md) | Sep 21, 2026 | | Linux | webkit2gtk3-jsc-devel ol 8 | 0:2.54.0-1.el8_10 | [ELSA-2026-74084](https://patchblox.com/security/data/fix/linux/elsa-2026-74084.md) | Oct 1, 2026 | | Linux | webkit2gtk3-jsc-devel ol 9 | 0:2.54.0-1.el9_8 | [ELSA-2026-69098](https://patchblox.com/security/data/fix/linux/elsa-2026-69098.md) | Sep 21, 2026 | | Linux | webkit2gtk3-soup2 opensuse-leap 16.0 | 2.54.1-160000.1.1 | [OPENSUSE-SU-2026:22076-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22076-1.md) | Nov 7, 2026 | | Linux | webkit2gtk3-soup2 sles 15.6 | 2.54.1-150600.12.81.4 | [SUSE-SU-2026:4858-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4858-1.md) | Nov 7, 2026 | | Linux | webkit2gtk3-soup2 sles 15.7 | 2.54.1-150600.12.81.4 | [SUSE-SU-2026:4858-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4858-1.md) | Nov 7, 2026 | | Linux | webkit2gtk4 opensuse-leap 16.0 | 2.54.1-160000.1.1 | [OPENSUSE-SU-2026:22076-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22076-1.md) | Nov 7, 2026 | | Linux | webkit2gtk4 sles 15.6 | 2.54.1-150600.12.81.4 | [SUSE-SU-2026:4858-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4858-1.md) | Nov 7, 2026 | | Linux | webkit2gtk4 sles 15.7 | 2.54.1-150600.12.81.4 | [SUSE-SU-2026:4858-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4858-1.md) | Nov 7, 2026 | | Linux | webkit2gtk4 sles 16.0 | 2.54.1-160000.1.1 | [SUSE-SU-2026:24225-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24225-1.md) | Nov 7, 2026 | | Linux | wpewebkit Debian 14 | 2.54.0-1 | [DEBIAN-CVE-2026-65331](https://patchblox.com/security/data/fix/linux/debian-cve-2026-65331.md) | Aug 17, 2026 | --- Data as of 2026-11-07T18:46:35Z UTC. 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