How severe is CVE-2017-15094?

CVE-2017-15094 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-15094 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15094?

CVE-2017-15094 affects Powerdns Recursor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-15094?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-15094 published?

CVE-2017-15094 was published on 2018-01-23 and last updated on 2026-06-17.

CVE-2017-15094

CVE-2017-15094 is a medium-severity vulnerability in Powerdns Recursor with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-772.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-772
Affected product: Powerdns Recursor
Published: 2018-01-23
Last modified: 2026-06-17

Description

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).

Frequently asked questions

What is 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).
How severe is CVE-2017-15094?: CVE-2017-15094 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-15094 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15094?: CVE-2017-15094 affects Powerdns Recursor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-15094?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-15094 published?: CVE-2017-15094 was published on 2018-01-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*

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