RHSA-2025:14433 — Security Advisory

An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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

Security Fix(es):

• angle: insufficient input validation can cause undefined behavior (CVE-2025-6558)

• webkitgtk: A download?s origin may be incorrectly associated (CVE-2025-43240)

• webkitgtk: Processing maliciously crafted web content may lead to memory corruption (CVE-2025-31273)

• webkitgtk: Processing maliciously crafted web content may lead to memory corruption (CVE-2025-31278)

• webkitgtk: Processing web content may lead to a denial-of-service (CVE-2025-43211)

• webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2025-43212)

• webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2025-43216)

• webkitgtk: Processing maliciously crafted web content may disclose sensitive user information (CVE-2025-43227)

• webkitgtk: Processing maliciously crafted web content may disclose internal states of the app (CVE-2025-43265)

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.