Is CVE-2012-0024 being actively exploited?

CVE-2012-0024 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-0024?

CVE-2012-0024 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2012-0024

HIGH · CVSS 7.8EPSS 2.7%EU EUVD

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.

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-400
EPSS score: 2.7% (86th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-0064)
Published: January 8, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-0064 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.

View on the EU Vulnerability Database

Affected products

maradns / maradns

References

http://openwall.com/lists/oss-security/2012/01/03/13(Mailing List, Third Party Advisory)
http://openwall.com/lists/oss-security/2012/01/03/6(Mailing List, Third Party Advisory)
http://samiam.org/blog/20111229.html(Patch, Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=771428(Issue Tracking, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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