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Description

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

PUBLISHED Reserved 2025-11-26 | Published 2025-12-04 | Updated 2025-12-04 | Assigner redhat




HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem types

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

Product status

Default status
unknown

Default status
affected

Default status
affected

Default status
affected

Default status
affected

Timeline

2025-12-04:Reported to Red Hat.
2025-12-04:Made public.

References

access.redhat.com/security/cve/CVE-2025-66287 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2418857 (RHBZ#2418857) issue-tracking

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

cve.org (CVE-2025-66287)

nvd.nist.gov (CVE-2025-66287)

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