Back
CVE-2006-4252
PowerDNS Recursor 3.1.3 and earlier allows remote attackers to cause a denial of service (resource exhaustion and application crash) via a…
Medium5.0EPSS 6.0%
- Published
- Updated
- Reserved
- Assigned by
- debian
Description
PowerDNS Recursor 3.1.3 and earlier allows remote attackers to cause a denial of service (resource exhaustion and application crash) via a CNAME record with a zero TTL, which triggers an infinite loop.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 6.0% · top 6.7% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (7)
- ADV-2006-4484 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://doc.powerdns.com/powerdns-advisory-2006-02.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 22824 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- powerdns-cname-bo(30257) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- SUSE-SA:2006:070 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 21037 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 22976 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_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-2006-4252)Record last updated .