HIGH · 7.5

CVE-2016-5426

PowerDNS (aka pdns) Authoritative Server before 3.4.10 allows remote attackers to cause a denial of service (backend CPU consumption) via a long qname.

Vulnerability Description

PowerDNS (aka pdns) Authoritative Server before 3.4.10 allows remote attackers to cause a denial of service (backend CPU consumption) via a long qname.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
PowerdnsAuthoritative<= 3.4.9

Related Weaknesses (CWE)

References

FAQ

What is CVE-2016-5426?

CVE-2016-5426 is a vulnerability with a CVSS score of 7.5 (HIGH). PowerDNS (aka pdns) Authoritative Server before 3.4.10 allows remote attackers to cause a denial of service (backend CPU consumption) via a long qname.

How severe is CVE-2016-5426?

CVE-2016-5426 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2016-5426?

Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Authoritative.