VULNERABILITY INTELLIGENCE

CVE-2018-16855

CVSS score7.5 HIGH
EPSS probability58.58%
CISA KEVNot currently listed
Published2018-12-03
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • CWE-125: Out-of-bounds Read

Primary references