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Fencer Intel
medium 5.3

CVE-2018-10851 json

PowerDNS Authoritative Server 3.3.0 up to 4.1.4 excluding 4.1.5 and 4.0.6, and PowerDNS Recursor 3.2 up to 4.1.4 excluding 4.1.5 and 4.0.9,…

published 7y ago modified 4mo ago also EUVD-2018-2920

cvss
5.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
6.0%
EPSS 6.0% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

PowerDNS Authoritative Server 3.3.0 up to 4.1.4 excluding 4.1.5 and 4.0.6, and PowerDNS Recursor 3.2 up to 4.1.4 excluding 4.1.5 and 4.0.9, are vulnerable to a memory leak while parsing malformed records that can lead to remote denial of service.

Patch / fix

  • pdns Debian 14, Debian 13, Debian 12 4.1.5-1
  • pdns-recursor Debian 14, Debian 13, Debian 12 4.1.7-1

debian advisories DEBIAN-CVE-2018-10851

  • pdns Ubuntu Pro 16.04 LTS 4.0.0~alpha2-3ubuntu0.1~esm1
  • pdns Ubuntu Pro 18.04 LTS 4.1.1-1ubuntu0.1~esm1
  • pdns-recursor Ubuntu Pro 16.04 LTS 4.0.0~alpha2-2ubuntu0.1+esm1
  • pdns-recursor Ubuntu Pro 18.04 LTS 4.1.1-2ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2018-10851

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 OpenStack Cloud 8, HPE Helion OpenStack 8 4.1.2-3.6.1
  • ardana-db OpenStack Cloud 8, HPE Helion OpenStack 8 8.0+git.1583944923.03cca6c-3.31.1
  • ardana-mq OpenStack Cloud 8, HPE Helion OpenStack 8 8.0+git.1583944811.dc14403-3.19.1
  • memcached OpenStack Cloud Crowbar 8, OpenStack Cloud 8, HPE Helion OpenStack 8 1.5.17-3.3.1
  • zookeeper OpenStack Cloud Crowbar 8, OpenStack Cloud 8, HPE Helion OpenStack 8 3.4.10-3.6.1
  • crowbar-ha OpenStack Cloud Crowbar 8 5.0+git.1585316176.344190f-3.32.1
  • python-amqp OpenStack Cloud Crowbar 8, OpenStack Cloud 8, HPE Helion OpenStack 8 2.4.2-3.9.1
  • crowbar-core OpenStack Cloud Crowbar 8 5.0+git.1585575551.16781d00d-3.38.1

suse advisories SUSE-SU-2020:1066-1SUSE-RU-2019:0863-1SUSE-SU-2019:0863-1

  • pdns openSUSE Tumbleweed 4.5.1-1.5
  • pdns-recursor openSUSE Tumbleweed 4.5.5-1.3
  • pdns Package Hub 15 4.1.2-bp150.2.3.1
  • pdns-recursor Package Hub 15 4.1.2-bp150.2.3.1
  • pdns Package Hub 12 SP1 4.1.5-14.1
  • pdns-recursor Package Hub 12 SP1 4.1.8-13.1

opensuse advisories openSUSE-SU-2024:11156-1openSUSE-SU-2024:11157-1openSUSE-SU-2018:4175-1openSUSE-SU-2018:4177-1openSUSE-SU-2018:4073-1openSUSE-SU-2018:4062-1

  • pdns Alpine 3.24, Alpine 3.23, Alpine 3.22 +14 more 4.1.5-r0
  • pdns Alpine 3.7, Alpine 3.6, Alpine 3.5 4.0.6-r0
  • pdns-recursor Alpine 3.24, Alpine 3.23, Alpine 3.22 +13 more 4.1.7-r0
  • pdns-recursor Alpine 3.7, Alpine 3.6, Alpine 3.5 4.0.9-r0
  • pdns-recursor Alpine 3.8 4.1.8-r0

alpine advisories ALPINE-CVE-2018-10851

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • powerdns Arch Linux 4.1.5-1
  • powerdns-recursor Arch Linux 4.1.5-1

arch linux advisories AVG-804AVG-805

Is CVE-2018-10851 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2018-10851 updated cvss 5.3

pdns: Memory leak while parsing malformed records

  • 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

6.04% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 5.3 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • The PowerDNS Project pdns
  • The PowerDNS Project pdns-recursor

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
  • CWE-772 Missing Release of Resource after Effective Lifetime

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.