MaraDNS before 1.3.07.12 and 1.4.x before 1.4.08 computes hash values for DNS data without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted queries with the Recursion Desired (RD) bit set
Published Jan 8, 2012
7.8
HIGHCVSS 2.0
EPSS 2.73%
Description
MaraDNS before 1.3.07.12 and 1.4.x before 1.4.08 computes hash values for DNS data without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted queries with the Recursion Desired (RD) bit set.
Affected products
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.73% (0.02729) | 85.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.89% (0.02888) | 85.02th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.76% (0.00757) | 71.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.57% (0.00573) | 78.65th | v3 (v2023.03.01) |
| May 24, 2024 | 0.28% (0.00282) | 68.52th | v3 (v2023.03.01) |
| May 10, 2024 | 0.24% (0.00237) | 61.55th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.20% (0.00201) | 57.08th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.21% (0.00206) | 57.78th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.19% (0.00186) | 54.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.57% (0.00573) | 74.57th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (4)
- http://openwall.com/lists/oss-security/2012/01/03/13 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2012/01/03/6 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://samiam.org/blog/20111229.html x_refsource_CONFIRMPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=771428 x_refsource_CONFIRMIssue TrackingThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://openwall.com/lists/oss-security/2012/01/03/13 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://openwall.com/lists/oss-security/2012/01/03/6 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://samiam.org/blog/20111229.html | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=771428 | x_refsource_CONFIRMIssue TrackingThird Party Advisory |
Change history (0)
No recorded changes yet.