CVE-2019-6468

Name	CVE-2019-6468
Description	In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -> 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected.
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
bind9 (PTS)	bullseye	1:9.16.50-1~deb11u2	fixed
	bullseye (security)	1:9.16.50-1~deb11u1	fixed
	bookworm, bookworm (security)	1:9.18.28-1~deb12u2	fixed
	sid, trixie	1:9.20.4-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
bind9	source	(unstable)	(not affected)

- bind9 <not-affected> (Only affects Supported Preview Edition/Subscription Edition)
https://kb.isc.org/docs/cve-2019-6468