CVE-2016-5427 describes a denial-of-service vulnerability in PowerDNS Authoritative Server versions prior to 3.4.10. This flaw allows remote attackers to consume excessive backend CPU resources through a specially crafted DNS query containing a dot within a label. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, leading to a complete loss of availability. Despite its high severity and EPSS score, there is no evidence of active exploitation, public exploit code, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.4.9CPE matchmatch criteria | cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.