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CVE-2016-5427
PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . (dot) inside labels, which allows remote attackers to…
High7.5EPSS 63.0%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . (dot) inside labels, which allows remote attackers to cause a denial of service (backend CPU consumption) via a crafted DNS query.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 63.0% · top 0.8% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (6)
- https://github.com/PowerDNS/pdns/commit/881b5b03a590198d03008e4200dd00cc537712f3 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1036761 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- DSA-3664 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 92917 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [oss-security] 20160909 PowerDNS Security Advisory 2016-01: Crafted queries can cause unexpected backend load (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://doc.powerdns.com/md/security/powerdns-advisory-2016-01/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .