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Status published
High
CVE-2025-66287
Webkitgtk: processing maliciously crafted web content may lead to an unexpected process crash
Vulnerability Description
A flaw was found in WebKitGTK. Processing malicious web content can cause an unexpected process crash due to improper memory handling.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://access.redhat.com/errata/RHSA-2025:22789
- https://access.redhat.com/errata/RHSA-2025:22790
- https://access.redhat.com/errata/RHSA-2025:23110
- https://access.redhat.com/errata/RHSA-2025:23433
- https://access.redhat.com/errata/RHSA-2025:23434
- https://access.redhat.com/errata/RHSA-2025:23451
- https://access.redhat.com/errata/RHSA-2025:23452
- https://access.redhat.com/errata/RHSA-2025:23583
- https://access.redhat.com/errata/RHSA-2025:23591
- https://access.redhat.com/errata/RHSA-2025:23742
- https://access.redhat.com/errata/RHSA-2025:23743
- https://access.redhat.com/security/cve/CVE-2025-66287
- https://bugzilla.redhat.com/show_bug.cgi?id=2418857
- https://webkitgtk.org/security/WSA-2025-0009.html
Affected Vendor
The WebKitGTK Team
View all reports →Affected Software
WebKitGTK, Red Hat Enterprise Linux 7 Extended Lifecycle Support, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Telecommunications Update Service, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.8 Telecommunications Update Service, Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat Enterprise Linux 9.6 Extended Update Support, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7
Vulnerable Versions:
0, 0:2.50.3-2.el7_9, 0:2.50.3-1.el8_10, 0:2.50.3-2.el8_2, 0:2.50.3-2.el8_4, 0:2.50.3-2.el8_6, 0:2.50.3-2.el8_8, 0:2.50.3-1.el9_7, 0:2.50.3-1.el9_0, 0:2.50.3-1.el9_2, 0:2.50.3-1.el9_4, 0:2.50.3-1.el9_6
Timeline
Official Publish:
December 4th, 2025
Last Modified:
June 29th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H