CVE-2025-66287

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

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

25 Sep 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) Se encontró un fallo en WebKitGTK. El procesamiento de contenido web malicioso puede causar una caída inesperada del proceso debido a un manejo inadecuado de la memoria.

Information

Published : 2025-12-04 17:15

Updated : 2026-09-25 23:10

NVD link : CVE-2025-66287

Mitre link : CVE-2025-66287

CVE.ORG link : CVE-2025-66287

JSON object : View

Products Affected

No product.

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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"source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2025:23743", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2025-66287", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2418857", "source": "secalert@redhat.com"}, {"url": "https://webkitgtk.org/security/WSA-2025-0009.html", "source": "secalert@redhat.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in WebKitGTK. Processing malicious web content can cause an unexpected process crash due to improper memory handling."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en WebKitGTK. El procesamiento de contenido web malicioso puede causar una ca\u00edda inesperada del proceso debido a un manejo inadecuado de la memoria."}], "lastModified": "2026-09-25T23:10:00.463", "sourceIdentifier": "secalert@redhat.com"}