CVE-2018-16855

Published: 03 December 2018

An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
pdns-recursor
Launchpad, Ubuntu, Debian
Upstream
Released (4.1.8-1)
Ubuntu 21.10 (Impish Indri)
Released (4.1.8-1)
Ubuntu 21.04 (Hirsute Hippo)
Released (4.1.8-1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (4.1.8-1)
Ubuntu 18.04 LTS (Bionic Beaver) Needed

Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(code not present)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected [code not present])