Detections
Analytics

CVE-2025-66287

high

Description

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

References

https://access.redhat.com/errata/RHSA-2025:23743

https://access.redhat.com/errata/RHSA-2025:23742

https://access.redhat.com/errata/RHSA-2025:23591

https://access.redhat.com/errata/RHSA-2025:23583

https://access.redhat.com/errata/RHSA-2025:23452

https://access.redhat.com/errata/RHSA-2025:23451

https://access.redhat.com/errata/RHSA-2025:23434

https://access.redhat.com/errata/RHSA-2025:23433

https://access.redhat.com/errata/RHSA-2025:23110

https://access.redhat.com/errata/RHSA-2025:22790

https://access.redhat.com/errata/RHSA-2025:22789

https://webkitgtk.org/security/WSA-2025-0009.html

https://bugzilla.redhat.com/show_bug.cgi?id=2418857

https://access.redhat.com/security/cve/CVE-2025-66287

Details

Source: Mitre, NVD

Published: 2025-12-04

Updated: 2025-12-22

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00037