CVE-2025-66287

Webkitgtk: processing maliciously crafted web content may lead to an unexpected process crash

CVSS 8.8 HIGHEPSS 0.4%CWE-120

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.8EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

04 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A flaw was found in WebKitGTK. Processing malicious web content can cause an unexpected process crash due to improper memory handling.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Red Hat · Red Hat Enterprise Linux 6 Red Hat · Red Hat Enterprise Linux 7 Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle Support Red Hat · Red Hat Enterprise Linux 8 Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update Support Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Red Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat · Red Hat Enterprise Linux 8.6 Telecommunications Update Service Red Hat · Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Red Hat · Red Hat Enterprise Linux 8.8 Telecommunications Update Service Red Hat · Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Red Hat · Red Hat Enterprise Linux 9 Red Hat · Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Red Hat · Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Red Hat · Red Hat Enterprise Linux 9.4 Extended Update Support Red Hat · Red Hat Enterprise Linux 9.6 Extended Update Support Red Hat · Red Hat In-Vehicle Operating System 1 The WebKitGTK Team · WebKitGTK

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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