CVE-2021-3672

Published: 10 August 2021

Missing input validation on hostnames returned by DNS servers

Priority

Medium

Status

Package Release Status
c-ares
Launchpad, Ubuntu, Debian
Upstream
Released (1.17.2)
Ubuntu 21.04 (Hirsute Hippo)
Released (1.17.1-1ubuntu0.1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (1.15.0-1ubuntu0.1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1.14.0-1ubuntu0.1)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (1.10.0-3ubuntu0.2+esm1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: https://github.com/c-ares/c-ares/commit/362f91d
Upstream: https://github.com/c-ares/c-ares/commit/44c009b