Issued at: 2026-10-20
Updated at: 2026-10-20
Advisory content derived from Red Hat RHSA-2026:84584, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Critical: webkit2gtk3 security, bug fix, and enhancement update
Description
WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.
Security Fix(es):
* chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via out-of-bounds read (CVE-2026-87596)
* chromium-browser: angle: ANGLE in Google Chrome: Arbitrary code execution via crafted HTML page (CVE-2026-87500)
* chromium-browser: angle: Chromium: Arbitrary code execution via buffer overflow in ANGLE (CVE-2026-87654)
* chromium-browser: angle: Google Chrome (ANGLE): Arbitrary Code Execution vulnerability (CVE-2026-87621)
* chromium-browser: angle: Chromium-browser: Arbitrary code execution via use-after-free vulnerability in ANGLE (CVE-2026-87512)
* chromium-browser: angle: ANGLE: Arbitrary code execution in Google Chrome due to use-after-free (CVE-2026-87648)
* chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via crafted HTML page (CVE-2026-87602)
* chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via crafted HTML page (CVE-2026-87586)
* chromium-browser: angle: ANGLE in Google Chrome: Arbitrary code execution via out-of-bounds read (CVE-2026-87604)
* chromium-browser: angle: chromium-browser: Improper input validation in ANGLE (CVE-2026-91738)
* chromium-browser: angle: chromium-browser: Uninitialized resource in ANGLE (CVE-2026-91720)
Bug Fix(es) and Enhancement(s):
* webkit2gtk3 2.54.0 regression breaks Eclipse IDE WebKit-based views on CentOS Stream 9 [rhel-8.10.z] (JIRA:Rocky Linux-274406)
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.