CVE-2012-0024

high
Published 2012-01-08 · Modified 2026-04-29
CVSS v3
CVSS v2
7.8
VIR risk
7.8

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-0024

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://samiam.org/blog/20111229.html

OS impact

OSVersionStatusFixed in
debian debianbullseyefixed1.4.09-1

Application impact

VendorProductVersionsFixed
maradnsmaradns{"endExcluding":"1.3.07.12"}1.3.07.12

References

CWEs

CWE-400

Verify integrity in audit chain (admin only). AS-IS.