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Vulnerability details: VCID-d4km-jg6b-2kh3
Vulnerability ID VCID-d4km-jg6b-2kh3
Aliases CVE-2018-16855
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.19834 https://api.first.org/data/v1/epss?cve=CVE-2018-16855
epss 0.19834 https://api.first.org/data/v1/epss?cve=CVE-2018-16855
epss 0.19834 https://api.first.org/data/v1/epss?cve=CVE-2018-16855
epss 0.19834 https://api.first.org/data/v1/epss?cve=CVE-2018-16855
epss 0.19834 https://api.first.org/data/v1/epss?cve=CVE-2018-16855
epss 0.19834 https://api.first.org/data/v1/epss?cve=CVE-2018-16855
epss 0.19834 https://api.first.org/data/v1/epss?cve=CVE-2018-16855
epss 0.19834 https://api.first.org/data/v1/epss?cve=CVE-2018-16855
epss 0.19834 https://api.first.org/data/v1/epss?cve=CVE-2018-16855
epss 0.19834 https://api.first.org/data/v1/epss?cve=CVE-2018-16855
epss 0.19834 https://api.first.org/data/v1/epss?cve=CVE-2018-16855
epss 0.19834 https://api.first.org/data/v1/epss?cve=CVE-2018-16855
epss 0.19834 https://api.first.org/data/v1/epss?cve=CVE-2018-16855
archlinux Medium https://security.archlinux.org/AVG-821
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-16855
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16855
ASA-201811-21 https://security.archlinux.org/ASA-201811-21
AVG-821 https://security.archlinux.org/AVG-821
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.95413
EPSS Score 0.19834
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T16:33:09.048134+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.0.0