CVE-2026-3238 — Samba: denial of service against ad dc wins server
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 va…
Published: 2026-06-08 · CVSS: 7.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7