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CVE-2019-10163

18
FAUCET Score

CVE-2019-10163 describes a denial-of-service vulnerability in PowerDNS Authoritative Server versions prior to 4.1.9 and 4.0.8, specifically impacting servers configured as slaves. An authorized master server can trigger high CPU load or prevent further zone updates by sending a large volume of NOTIFY messages. With a CVSS score of 4.3 (MEDIUM), this vulnerability has a network attack vector and low attack complexity, potentially leading to a loss of availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.0.0, < 4.0.8CPE matchmatch criteria
cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*
>= 4.1.0, < 4.1.9CPE matchmatch criteria
cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*
4.1.0CPE matchmatch criteria
cpe:2.3:a:powerdns:authoritative:4.1.0:-:*:*:*:*:*:*
sle-15CPE matchmatch criteria
cpe:2.3:o:opensuse:backports:sle-15:-:*:*:*:*:*:*
sle-15CPE matchmatch criteria
cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.5LOW

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.1
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.00%
Probability of exploitation in next 30 days
EPSS Percentile
59.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0100 is in the 73rd percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia nvd_reference
View patch

References

lists.opensuse.org / opensuse-security-announce/2019-08/msg00036.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-08/msg00054.html
Mailing ListThird Party Advisory
blog.powerdns.com / 2019/06/21/powerdns-authoritative-server-4-0-8-and-4-1-10-released
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
doc.powerdns.com / authoritative/security-advisories/powerdns-advisory-2019-05.html
Vendor Advisory