CVE-2016-6172
6.8
MEDIUM
CVSS 3.1
EPSS 0.02%
Description
PowerDNS (aka pdns) Authoritative Server before 4.0.1 allows remote primary DNS servers to cause a denial of service (memory exhaustion and secondary DNS server crash) via a large (1) AXFR or (2) IXFR response.
How to fix CVE-2016-6172
To remediate CVE-2016-6172, upgrade the affected package to a fixed version below.
- Debian/pdns—upgrade to 4.0.1-1 or later
Is CVE-2016-6172 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.0.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.8 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H |