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
Published Jan 23, 2018
5.9
MEDIUMCVSS 3.0
EPSS 3.30%
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).
Affected products
-
- Version from 4.0.0 up to and including 4.0.6StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| PowerDNS | PowerDNS Recursor | n/a |
|
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.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:M/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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.30% (0.03302) | 88.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.37% (0.03366) | 87.13th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.08% (0.00085) | 36.58th | v3 (v2023.03.01) |
| May 17, 2024 | 0.08% (0.00085) | 35.80th | v3 (v2023.03.01) |
| Jun 16, 2023 | 0.08% (0.00082) | 33.76th | v3 (v2023.03.01) |
| May 8, 2023 | 0.10% (0.00097) | 39.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00165) | 51.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v1 |
| Jan 6, 2022 | 0.62% (0.00624) | 17.24th | v1 |
| Sep 1, 2021 | 0.62% (0.00624) | 45.04th | v1 |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- http://www.securityfocus.com/bid/101982 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-07.html x_refsource_CONFIRMMitigationPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101982 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-07.html | x_refsource_CONFIRMMitigationPatchVendor Advisory |
Change history (0)
No recorded changes yet.