NULL pointer dereference in Red Hat Enterprise Linux 10
CVE-2026-3238
A flaw was found in Samba’s WINS server component when running as an Active Directory Domain Controller. The WINS protocol handlers for certain request types did not properly validate incoming packets, allowing an unauthenticated remote at…
EPSS: 0.027 (84.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
- secalert@redhat.com
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-3238?
- CVE-2026-3238 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-06-08.
- How severe is CVE-2026-3238?
- High severity. CVSS v3 base score is 7.5 out of 10.