RHSA-2025:8530 - Security Advisory

Topic

An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.4 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.

Description

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

Security Fix(es):

• webkitgtk: A malicious website may exfiltrate data cross-origin

(CVE-2025-31205)

• webkitgtk: Processing maliciously crafted web content may lead to an

unexpected Safari crash (CVE-2025-31257)

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.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server - AUS 8.4 x86_64

Fixes

• BZ - 2366501 - CVE-2025-31205 webkitgtk: A malicious website may exfiltrate data cross-origin
• BZ - 2366504 - CVE-2025-31257 webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash

CVEs

• CVE-2025-31205
• CVE-2025-31257

References

• https://access.redhat.com/security/updates/classification/#important