Security Advisory

CVE-2026-3238

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-08 07:34:20

Last updated 2026-07-15 01:08:02

Assigner redhat

CVSS score not scored

State PUBLISHED

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.

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