All vulnerabilities

Servers and applications

CVE-2020-12662

Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.

Severity
High 7.5
Published
19 May 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.10.1
Sources
NVD

Affected software

SoftwareAffected versions
UnboundServers and applications · cpe:a:nlnetlabs:unbound
  • Every version before 1.10.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-12662
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-12662