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NSD packet.c Off-By-One Buffer Overflow



The remote DNS server is vulnerable to a remote buffer overflow attack.


The remote host is running a version of NSD DNS Server which has a stack buffer overflow vulnerability. A remote attacker could overwrite one byte in memory, leading to a denial of service. It is possible, but unlikely, that this vulnerability could result in remote code execution.


Upgrade to NSD version 3.2.2 or later, or apply the patch referenced in the vendor's advisory.