All vulnerabilities

Servers and applications

CVE-2022-30699

NLnet Labs Unbound, up to and including version 1.16.1, is vulnerable to a novel type of the "ghost domain names" attack. The vulnerability works by targeting an Unbound instance. Unbound is queried for a rogue domain name when the cached delegation information is about to expire. The rogue nameserver delays the response so that the cached delegation information is expired. Upon receiving the…

Severity
Medium 6.5
Published
1 Aug 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.16.2
Sources
NVD

Affected software

SoftwareAffected versions
UnboundServers and applications · cpe:a:nlnetlabs:unbound
  • Every version before 1.16.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-30699
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-30699