CVE-2020-12663

NameCVE-2020-12663
DescriptionUnbound before 1.10.1 has an infinite loop via malformed DNS answers received from upstream servers.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2556-1, DSA-4694-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
unbound (PTS)bullseye1.13.1-1+deb11u2fixed
bullseye (security)1.13.1-1+deb11u3fixed
bookworm, bookworm (security)1.17.1-2+deb12u2fixed
sid, trixie1.21.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
unboundsourcejessie(unfixed)end-of-life
unboundsourcestretch(unfixed)end-of-life
unboundsourcebuster1.9.0-2+deb10u2DSA-4694-1
unboundsource(unstable)1.10.1-1
unbound1.9sourcestretch1.9.0-2+deb10u2~deb9u1DLA-2556-1

Notes

[stretch] - unbound <end-of-life> (No longer supported, see DSA 4694)
[jessie] - unbound <end-of-life> (No longer supported)
https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt
Patch: https://nlnetlabs.nl/downloads/unbound/patch_cve_2020-12662_2020-12663.diff

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