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...

ALPINE-CVE-2026-40622

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...

EUVD-2026-31080

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...

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 ...

PT-2026-42127

Name of the Vulnerable Software and Affected Versions Unbound versions 1.16.2 through 1.25.0 Description An issue exists within the ghost domain names family of attacks that allows an adversary who controls a ghost zone and can query the system to extend the ghost domain window by up to one cache...