CVE-2026-42254

NameCVE-2026-42254
DescriptionHickory DNS hickory-recursor 0.1 through 0.25.2 allows cross-zone poisoning because cached data is not directly associated with a query that triggered a response.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1134954

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
rust-hickory-recursor (PTS)forky, trixie0.24.1-1vulnerable
sid0.25.2-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
rust-hickory-recursorsource(unstable)(unfixed)1134954

Notes

[trixie] - rust-hickory-recursor <no-dsa> (Minor issue)
https://rustsec.org/advisories/RUSTSEC-2026-0106.html
https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-83hf-93m4-rgwq
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