CVE-2016-6171
8.6
HIGH
CVSS 3.1
EPSS 2.8%
Description
Knot DNS before 2.3.0 allows remote DNS servers to cause a denial of service (memory exhaustion and slave server crash) via a large zone transfer for (1) DDNS, (2) AXFR, or (3) IXFR.
How to fix CVE-2016-6171
To remediate CVE-2016-6171, upgrade the affected package to a fixed version below.
- Debian/knot—upgrade to 2.3.0-1 or later
Is CVE-2016-6171 being exploited?
Low — EPSS is 2.8%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.3.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H |