CVE-2026-123583

Name	CVE-2026-123583
Description	The recursive resolver in Hickory DNS hickory-recursor 0.25.0 through 0.25.2 and hickory-resolver 0.26.0 before 0.26.2 does not apply out-of-bailiwick filtering to negative responses. Attackers able to supply crafted negative responses can include out-of-bailiwick records to facilitate cache poisoning and more easily exploit other DNSSEC verification flaws.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, 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
rust-hickory-recursor (PTS)	trixie	0.24.1-1	vulnerable
	forky, sid	0.25.2-6	vulnerable
rust-hickory-resolver (PTS)	trixie	0.24.4-1	vulnerable
	forky, sid	0.26.3-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
rust-hickory-recursor	source	(unstable)	(unfixed)
rust-hickory-resolver	source	(unstable)	0.26.3-1

https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-vcjp-57rr-mpfw