CVE-2020-24698

Name	CVE-2020-24698
Description	An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker might be able to cause a double-free, leading to a crash or possibly arbitrary code execution. by sending crafted queries with a GSS-TSIG signature.
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 (PTS)	jessie, jessie (lts)	3.4.1-4+deb8u10	vulnerable
	stretch (security), stretch (lts), stretch	4.0.3-1+deb9u5	vulnerable
	buster	4.1.6-3+deb10u1	vulnerable
	bullseye	4.4.1-1	vulnerable
	bookworm	4.7.3-2	vulnerable
	sid, trixie	4.9.3-1	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
pdns	source	(unstable)	(unfixed)	unimportant

Notes

https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-06.html
Debian packages not built with experimental GSS-TSIG support