Vulnerability in Powerdns Authoritative
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.
EPSS: 0.370 (97.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Powerdns Authoritative
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_CONFIRM, Patch)
- 1036761 (vdb-entry, x_refsource_SECTRACK)
- DSA-3664 (vendor-advisory, x_refsource_DEBIAN)
- 92917 (vdb-entry, x_refsource_BID)
- [oss-security] 20160909 PowerDNS Security Advisory 2016-01: Crafted queries can cause unexpected backend load (mailing-list, x_refsource_MLIST, Release Notes)
- secalert@redhat.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-5426?
- CVE-2016-5426 is a high-severity vulnerability in Powerdns Authoritative, classified under CWE-399. CVSS score: 7.5/10. Published 2016-09-21.
- How severe is CVE-2016-5426?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-5426 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.