Bug 2486176 (CVE-2026-3238) - CVE-2026-3238 samba: Denial of service against AD DC WINS server
Summary: CVE-2026-3238 samba: Denial of service against AD DC WINS server
Keywords:
Status: NEW
Alias: CVE-2026-3238
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2486188
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-08 05:17 UTC by OSIDB Bzimport
Modified: 2026-06-10 09:10 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-06-08 05:17:25 UTC 
The WINS server component of the Active Directory Domain controller code in Samba is vulnerable to a NULL pointer dereference and crash caused by a unauthenticated UDP packet.
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