The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself
Published Nov 2, 2015
7.8
HIGHCVSS 2.0
EPSS 11.28%
Description
The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.
Affected products
No data.
Configuration 1
- ≤ 3.3.2
- 3.4.0
- 3.4.1
- 3.4.2
- 3.4.3
- 3.4.4
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.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 11.28% (0.11284) | 95.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 11.28% (0.11284) | 95.40th | v5 (v2026.06.15) |
| Feb 8, 2026 | 0.01% (0.00011) | 1.08th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.77% (0.01771) | 81.00th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.04% (0.03038) | 77.70th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.77% (0.01771) | 81.42th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.52% (0.00524) | 77.67th | v3 (v2023.03.01) |
| Mar 7, 2024 | 0.52% (0.00524) | 76.38th | v3 (v2023.03.01) |
| Dec 31, 2023 | 0.52% (0.00524) | 74.38th | v3 (v2023.03.01) |
| Dec 2, 2023 | 1.05% (0.01050) | 82.28th | v3 (v2023.03.01) |
| Sep 26, 2023 | 1.48% (0.01483) | 85.26th | v3 (v2023.03.01) |
| Jun 20, 2023 | 2.09% (0.02089) | 87.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.93% (0.02931) | 89.26th | 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) |
References (3)
- http://www.openwall.com/lists/oss-security/2015/07/07/6 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2015/07/10/8 mailing-listx_refsource_MLIST
- https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/ x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2015/07/07/6 | mailing-listx_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2015/07/10/8 | mailing-listx_refsource_MLIST | |
| https://doc.powerdns.com/md/security/powerdns-advisory-2015-01/ | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.