CVE-2018-5734

Name	CVE-2018-5734
Description	While handling a particular type of malformed packet BIND erroneously selects a SERVFAIL rcode instead of a FORMERR rcode. If the receiving view has the SERVFAIL cache feature enabled, this can trigger an assertion failure in badcache.c when the request doesn't contain all of the expected information. Affects BIND 9.10.5-S1 to 9.10.5-S4, 9.10.6-S1, 9.10.6-S2.
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	1:9.18.28-1~deb12u2	fixed
	bookworm (security)	1:9.18.33-1~deb12u2	fixed
	trixie	1:9.20.4-4	fixed
	sid	1:9.20.5-1	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/article/AA-01562/74/CVE-2018-5734