CVEvulnerability
CVE-2026-3238
7.5 HIGH
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-06-08
- Last modified
- 2026-09-01
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
Description
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 attacker to trigger a NULL pointer dereference and crash the WINS service using specially crafted UDP packets.
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://access.redhat.com/security/cve/CVE-2026-3238 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2486176 bugzilla.redhat.com
- https://www.samba.org/samba/security/CVE-2026-3238.html www.samba.org
- https://access.redhat.com/security/cve/CVE-2026-3238 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2486176 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3238.json security.access.redhat.com