EUVD-2026-47666

In NLnet Labs Unbound 1.16.2 up to and including 1.25.1, a similar vulnerability as with CVE-2026-40622 in the 'ghost domain names' family of attacks was found in Unbound that could extend the ghost domain window by up to one cached TTL configured value for A/AAAA glue records. Similar to other...

CVE-2026-40622

Affected software: NLnet Labs Unbound (versions 1.16.2 through 1.25.0). Vulnerability: ghost domain names attack that can extend the ghost domain window by up to one cached TTL (cache-max-ttl) by overwriting the cached expired parent‑side referral NS RRset with the child‑side apex NS RRset via a ...

CVE-2026-40622 Another 'ghost domain names' attack variant

NLnet Labs Unbound 1.16.2 up to and including version 1.25.0 has a vulnerability of the 'ghost domain names' family of attacks that could extend the ghost domain window by up to one cached TTL configured value. Similar to other 'ghost domain names' attacks, an adversary needs to control a ghost...