PowerDNS Authoritative Server 3.3.0 up to 4.1.4 excluding 4.1.5 and 4.0.6, and PowerDNS Recursor 3.2 up to 4.1.4 excluding 4.1.5 and 4.0.9, are vulnerable to a memory leak while parsing malformed records that can lead to remote denial of service
Published Nov 29, 2018
7.5
HIGHCVSS 3.0
EPSS 6.04%
Description
PowerDNS Authoritative Server 3.3.0 up to 4.1.4 excluding 4.1.5 and 4.0.6, and PowerDNS Recursor 3.2 up to 4.1.4 excluding 4.1.5 and 4.0.9, are vulnerable to a memory leak while parsing malformed records that can lead to remote denial of service.
Affected products
-
- Version 3.3.0 to 4.1.4, excluding 4.1.5 and 4.0.6StatusaffectedConstraints-
- Version
-
- Version 3.2 to 4.1.4, excluding 4.1.5 and 4.0.9StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| The PowerDNS Project | Pdns | n/a |
| ||||||
| The PowerDNS Project | Pdns-Recursor | n/a |
|
- ≥ 3.3 · ≤ 4.1.4
- ≥ 3.2 · ≤ 4.1.4
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:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
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 3, 2026.
Score over time
2021-2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 6.04% (0.06041) | 93.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.04% (0.06041) | 92.41th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00059) | 15.61th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.44% (0.00440) | 75.09th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.44% (0.00440) | 74.09th | v3 (v2023.03.01) |
| Nov 23, 2023 | 0.44% (0.00440) | 72.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00322) | 65.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.30% (0.01300) | 31.12th | v1 |
| Jan 6, 2022 | 1.30% (0.01300) | 30.48th | v1 |
| Sep 1, 2021 | 1.30% (0.01300) | 69.44th | v1 |
| Apr 14, 2021 | 1.30% (0.01300) | 0.00th | v1 |
References (3)
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10851 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2018-03.html x_refsource_CONFIRMVendor Advisory
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-04.html x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10851 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2018-03.html | x_refsource_CONFIRMVendor Advisory | |
| https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-04.html | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.