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CVE-2019-25036

Published: 27 April 2021

** DISPUTED ** Unbound before 1.9.5 allows an assertion failure and denial of service in synth_cname. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
unbound
Launchpad, Ubuntu, Debian
Upstream
Released (1.9.6-1)
Ubuntu 21.10 (Impish Indri) Not vulnerable

Ubuntu 21.04 (Hirsute Hippo) Not vulnerable

Ubuntu 20.04 LTS (Focal Fossa)
Released (1.9.4-2ubuntu1.2)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1.6.7-1ubuntu2.4)
Ubuntu 16.04 ESM (Xenial Xerus) Needs triage

Ubuntu 14.04 ESM (Trusty Tahr) Needs triage

Patches:
Upstream: https://github.com/NLnetLabs/unbound/commit/f5e06689d193619c57c33270c83f5e40781a261d