DescriptionKnot DNS before 2.3.0 allows remote DNS servers to cause a denial of service (memory exhaustion and slave server crash) via a large zone transfer for (1) DDNS, (2) AXFR, or (3) IXFR.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs830809

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
knot (PTS)stretch (security), stretch2.4.0-3+deb9u1fixed
bullseye, sid2.9.5-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[jessie] - knot <no-dsa> (Minor issue)

Search for package or bug name: Reporting problems