CVE-2019-10163

Name	CVE-2019-10163
Description	A Vulnerability has been found in PowerDNS Authoritative Server before versions 4.1.9, 4.0.8 allowing a remote, authorized master server to cause a high CPU load or even prevent any further updates to any slave zone by sending a large number of NOTIFY messages. Note that only servers configured as slaves are affected by this issue.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-1843-1, DSA-4470-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
pdns (PTS)	jessie, jessie (lts)	3.4.1-4+deb8u10	fixed
	stretch (security), stretch (lts), stretch	4.0.3-1+deb9u5	fixed
	buster	4.1.6-3+deb10u1	fixed
	bullseye	4.4.1-1	fixed
	bookworm	4.7.3-2	fixed
	sid, trixie	4.9.2-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin
pdns	source	wheezy	(unfixed)	end-of-life
pdns	source	jessie	3.4.1-4+deb8u10		DLA-1843-1
pdns	source	stretch	4.0.3-1+deb9u5		DSA-4470-1
pdns	source	(unstable)	4.1.6-3

https://www.openwall.com/lists/oss-security/2019/06/21/5
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-05.html