PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers to cause a denial of service ("performance degradations") via a large or infinite number of referrals, as demonstrated by resolving domains hosted by ezdns.it
Published Dec 10, 2014
5.0
MEDIUMCVSS 2.0
EPSS 68.88%
Description
PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers to cause a denial of service ("performance degradations") via a large or infinite number of referrals, as demonstrated by resolving domains hosted by ezdns.it.
Affected products
No data.
Configuration 1
- 7.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 68.88% (0.68875) | 99.33th | v5 (v2026.06.15) |
| Jul 22, 2026 | 68.88% (0.68875) | 99.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 73.53% (0.73532) | 99.40th | v5 (v2026.06.15) |
| Mar 18, 2025 | 0.40% (0.00399) | 58.55th | v4 (v2025.03.14) |
| Mar 17, 2025 | 65.47% (0.65469) | 98.34th | v4 (v2025.03.14) |
| Dec 17, 2024 | 7.29% (0.07289) | 94.00th | v3 (v2023.03.01) |
| Jul 22, 2024 | 9.39% (0.09391) | 94.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 12.29% (0.12288) | 94.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (6)
- http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html x_refsource_MISCThird Party Advisory
- http://doc.powerdns.com/md/security/powerdns-advisory-2014-02/ x_refsource_CONFIRMThird Party Advisory
- http://www.debian.org/security/2014/dsa-3096 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.kb.cert.org/vuls/id/264212 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.securityfocus.com/bid/71545 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1031310 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html | x_refsource_MISCThird Party Advisory | |
| http://doc.powerdns.com/md/security/powerdns-advisory-2014-02/ | x_refsource_CONFIRMThird Party Advisory | |
| http://www.debian.org/security/2014/dsa-3096 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| http://www.kb.cert.org/vuls/id/264212 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource | |
| http://www.securityfocus.com/bid/71545 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1031310 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.