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CVE-2017-15120
An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference…
High7.5EPSS 51.4%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a specially crafted answer containing a CNAME of a different class than IN. An unauthenticated remote attacker could cause a denial of service.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 51.4% · top 1.1% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
- affected 4.0.8
References (5)
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-4063 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [oss-security] 20171211 PowerDNS Security Advisory 2017-08 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 106335 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2017-15120)Record last updated .