CVE-2025-66287HIGH 8.8EPSS p30.1%

CVE-2025-66287CVE-2025-66287

Description

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

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS0.39% probability of exploitation · percentile 30.1% · 2026-06-19T12:03:05Z
Published2025-12-04
Last modified2026-04-15

Underlying weaknesses· 1

CWE-120

References

  1. https://access.redhat.com/errata/RHSA-2025:22789
  2. https://access.redhat.com/errata/RHSA-2025:22790
  3. https://access.redhat.com/errata/RHSA-2025:23110
  4. https://access.redhat.com/errata/RHSA-2025:23433
  5. https://access.redhat.com/errata/RHSA-2025:23434
  6. https://access.redhat.com/errata/RHSA-2025:23451
  7. https://access.redhat.com/errata/RHSA-2025:23452
  8. https://access.redhat.com/errata/RHSA-2025:23583

1

TypeTargetConfidenceTier
WeaknessBuffer Copy without Checking Size of Input ('Classic Buffer Overflow')cwe-1200%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
WebKitGTK Memory Corruption Vulnerability
CVE
CVE-2025-6052
CVE
CVE-2025-14087
CVE
CVE-2026-5201
CVE
CVE-2026-22166
CVE
CVE-2026-25260
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.