UBUNTU-CVE-2016-5427

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Source
https://ubuntu.com/security/CVE-2016-5427
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-5427.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2016-5427
Upstream
Withdrawn
2025-07-18T16:43:34Z
Published
2016-09-21T14:25:00Z
Modified
2025-07-16T07:49:55.186301Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . (dot) inside labels, which allows remote attackers to cause a denial of service (backend CPU consumption) via a crafted DNS query.

References

Affected packages

Ubuntu:16.04:LTS / pdns

Package

Name
pdns
Purl
pkg:deb/ubuntu/pdns@4.0.0~alpha2-3build1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.0.0~alpha2-3build1

Affected versions

3.*

3.4.5-1build2
3.4.6-2
3.4.6-3
3.4.7-1
3.4.7-2

4.*

4.0.0~alpha1-1
4.0.0~alpha2-2
4.0.0~alpha2-3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "pdns-backend-geoip",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-geoip-dbgsym",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-ldap",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-ldap-dbgsym",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-lua",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-lua-dbgsym",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-mydns",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-mydns-dbgsym",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-mysql",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-mysql-dbgsym",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-pgsql",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-pgsql-dbgsym",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-pipe",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-pipe-dbgsym",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-remote",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-remote-dbgsym",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-sqlite3",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-sqlite3-dbgsym",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-tinydns",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-backend-tinydns-dbgsym",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-server",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-server-dbgsym",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-tools",
            "binary_version": "4.0.0~alpha2-3build1"
        },
        {
            "binary_name": "pdns-tools-dbgsym",
            "binary_version": "4.0.0~alpha2-3build1"
        }
    ]
}