REDHAT-BUG-2486176: Null Pointer Dereference
Published Jun 8, 2026
·Updated
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.
Affected Software
1 affected component
Samba Samba Active Directory Domain Controller (WINS server)
Event History
Jun 8, 2026
Data Sourced
via Red Hat·05:17 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of REDHAT-BUG-2486176?
The severity of REDHAT-BUG-2486176 is classified as high with a score of 7.
2
What does REDHAT-BUG-2486176 affect?
REDHAT-BUG-2486176 affects the WINS server component of the Samba Active Directory Domain Controller.
3
How do I mitigate the risk of REDHAT-BUG-2486176?
To mitigate the risk of REDHAT-BUG-2486176, it's recommended to apply the latest patches provided by Samba.
4
What type of vulnerability is REDHAT-BUG-2486176?
REDHAT-BUG-2486176 is a vulnerability characterized as a NULL pointer dereference.
5
What trigger causes the vulnerability in REDHAT-BUG-2486176?
The vulnerability in REDHAT-BUG-2486176 is triggered by an unauthenticated UDP packet.