CVE-2026-101339

NameCVE-2026-101339
DescriptionA HIP resource record that fills the RDATA near or at is limit, and has another dname RDATA field (a HIP Rendezvous server) can overwrite the stack with up to 191 bytes of attacker controlled data. Zone files which are written out by NSD itself, such as for zones for which the NSD instance is secondary, will not be formatted like this. The zone file must be fed to NSD directly, (but it could come, for example, from an operator controlled provisioning system).
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 Bugs1150930

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nsd (PTS)bookworm4.6.1-1vulnerable
trixie4.12.0-1vulnerable
forky, sid4.15.2-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nsdsource(unstable)(unfixed)1150930

Notes

https://www.nlnetlabs.nl/downloads/nsd/CVE-2026-101339.txt
https://www.openwall.com/lists/oss-security/2026/10/14/12

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