CVE-2022-37428

Name	CVE-2022-37428
Description	PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a denial of service (daemon crash) via a DNS query that leads to an answer with specific properties.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
pdns-recursor (PTS)	buster, buster (security)	4.1.11-1+deb10u1	vulnerable
	bullseye	4.4.2-3	vulnerable
	bookworm	4.8.4-1	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	Debian Bugs
pdns-recursor	source	(unstable)	4.7.2-1

Notes

[bullseye] - pdns-recursor <no-dsa> (Minor issue)
[buster] - pdns-recursor <no-dsa> (Minor issue)
https://www.openwall.com/lists/oss-security/2022/08/23/1
https://downloads.powerdns.com/patches/2022-02/