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High 8.8Published Dec 4, 2025
CVE-2025-66287A flaw was found in WebKitGTK.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
A flaw was found in WebKitGTK. Processing malicious web content can cause an unexpected process crash due to improper memory handling.
- CVSS
- 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-120
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Deferred
- Record last updated
- Sep 25, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
No affected products are listed yet.
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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.