What is CVE-2017-15094?

CVE-2017-15094 is a medium-severity vulnerability in Powerdns Recursor, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.9/10. Published 2018-01-23.

How severe is CVE-2017-15094?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Powerdns Recursor

CVE-2017-15094

An issue has been found in the DNSSEC parsing code of PowerDNS Recursor from 4.0.0 up to and including 4.0.6 leading to a memory leak when parsing specially crafted DNSSEC ECDSA keys. These keys are only parsed when validation is enabled by setting dnssec to a value other than off or process-no-validate (default).

Published 2018-01-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.033 (88.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000

Affected products

Powerdns Recursor — versions from 4.0.0 up to and including 4.0.6
Powerdns Recursor

Weakness classification (CWE)

References

doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-07.html (Patch, Mitigation, Vendor Advisory)
www.securityfocus.com/bid/101982 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-15094?: CVE-2017-15094 is a medium-severity vulnerability in Powerdns Recursor, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.9/10. Published 2018-01-23.
How severe is CVE-2017-15094?: Medium severity. CVSS v3 base score is 5.9 out of 10.