this post was submitted on 16 Feb 2024
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Researchers recently found a vulnerability in the way DNS resolvers handle DNSSEC validation that allow attackers to DoS resolvers with a single DNS request

https://www.theregister.com/2024/02/13/dnssec_vulnerability_internet/

It is highly recommended to upgrade your resolvers to the following versions:

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[–] Nunya 5 points 2 years ago (2 children)

Sorry if this is a basic question. So if I have a pihole, do I just need to update the Raspberry Pi software, along with updating pihole software to resolve the insecurities? Or do I need to change the DNS settings of the pihole?

[–] BlackEco@lemmy.blackeco.com 8 points 2 years ago* (last edited 2 years ago) (1 children)

If you use a third-party's DNS server (such as Cloudflare, Quad9 or Google) as your upstream DNS server, you only have to update PiHole.

If you have set up your own upstream DNS server using a DNS resolver like unbound or Bind9, update it as well as your PiHole.

[–] Nunya 2 points 2 years ago

Makes sense, thanks for the response.

[–] EpicVision@monero.town 4 points 2 years ago

You need to update Pihole