NSD DNS Buffer Overflow Vulnerability

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NLnet Labs has released a patch to address a vulnerability in NSD DNS versions 2.0.0 through 3.2.1. This vulnerability is due to an error in the way NSD processes certain types of packets that may lead to a buffer overflow. Exploitation of this vulnerability may allow a remote, unauthenticated attacker to cause the DNS software to crash, resulting in a denial-of-service condition.

US-CERT encourages users and administrators to review the NSD announcement regarding this vulnerability and apply any necessary updates or patches to help mitigate the risks.

Read more: US-CERT Current Activity

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