UBUNTU-CVE-2016-0747

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Source
https://ubuntu.com/security/CVE-2016-0747
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-0747.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2016-0747
Upstream
Downstream
Related
Published
2016-01-26T00:00:00Z
Modified
2025-09-08T16:43:35Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • 5.3 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution.

References

Affected packages

Ubuntu:14.04:LTS / nginx

Package

Name
nginx
Purl
pkg:deb/ubuntu/nginx@1.4.6-1ubuntu3.4?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.4.6-1ubuntu3.4

Affected versions

1.*

1.4.1-3ubuntu1
1.4.3-2ubuntu1
1.4.4-1ubuntu1
1.4.4-2ubuntu1
1.4.4-4ubuntu1
1.4.5-1ubuntu1
1.4.6-1ubuntu2
1.4.6-1ubuntu3
1.4.6-1ubuntu3.1
1.4.6-1ubuntu3.2
1.4.6-1ubuntu3.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-common"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-core"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-extras"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-full"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-light"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-naxsi"
        },
        {
            "binary_version": "1.4.6-1ubuntu3.4",
            "binary_name": "nginx-naxsi-ui"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS / nginx

Package

Name
nginx
Purl
pkg:deb/ubuntu/nginx@1.9.10-0ubuntu1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9.10-0ubuntu1

Affected versions

1.*

1.9.3-1ubuntu1
1.9.6-2ubuntu1
1.9.6-2ubuntu2
1.9.9-0ubuntu1
1.9.9-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.9.10-0ubuntu1",
            "binary_name": "nginx"
        },
        {
            "binary_version": "1.9.10-0ubuntu1",
            "binary_name": "nginx-common"
        },
        {
            "binary_version": "1.9.10-0ubuntu1",
            "binary_name": "nginx-core"
        },
        {
            "binary_version": "1.9.10-0ubuntu1",
            "binary_name": "nginx-extras"
        },
        {
            "binary_version": "1.9.10-0ubuntu1",
            "binary_name": "nginx-full"
        },
        {
            "binary_version": "1.9.10-0ubuntu1",
            "binary_name": "nginx-light"
        }
    ],
    "availability": "No subscription required"
}