UpHeron
All vulnerabilities

Servers and applications

CVE-2020-8621

In BIND 9.14.0 -> 9.16.5, 9.17.0 -> 9.17.3, If a server is configured with both QNAME minimization and 'forward first' then an attacker who can send queries to it may be able to trigger the condition that will cause the server to crash. Servers that 'forward only' are not affected.

Severity
High 7.5
Published
21 Aug 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
BIND 9Servers and applications · cpe:a:isc:bind
  • From 9.14.0 up to 9.16.5
  • From 9.17.0 up to 9.17.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-8621
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-8621