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Fencer Intel
medium 5.0

CVE-2014-8601 json

PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers to cause a denial of service ("performance…

published 2014-12-10 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-8438

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
68.9%
EPSS 68.9% chance of exploitation in 30 days, percentile 99.3%
public exploits
0
none known

Summary

PowerDNS Recursor before 3.6.2 does not limit delegation chaining, which allows remote attackers to cause a denial of service ("performance degradations") via a large or infinite number of referrals, as demonstrated by resolving domains hosted by ezdns.it.

Patch / fix

  • pdns-recursor Debian 14, Debian 13, Debian 12 3.6.2-1

debian advisories DEBIAN-CVE-2014-8601

  • pdns-recursor Ubuntu 14.04 LTS 3.5.3-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2014-8601

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • pdns-recursor openSUSE Tumbleweed 4.0.3-1.2

opensuse advisories openSUSE-SU-2024:10537-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-8601 updated cvss 5.0

pdns: denial of service via specially crafted domain names

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

68.88% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.