UBUNTU-CVE-2016-5417

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Source
https://ubuntu.com/security/CVE-2016-5417
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-5417.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-5417
Upstream
Downstream
Related
Published
2017-02-16T00:00:00Z
Modified
2025-09-08T16:43:47Z
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

Memory leak in the _resvinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.

References

Affected packages

Ubuntu:16.04:LTS / glibc

Package

Name
glibc
Purl
pkg:deb/ubuntu/glibc@2.23-0ubuntu6?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.23-0ubuntu6

Affected versions

2.*

2.21-0ubuntu4
2.21-0ubuntu5
2.21-0ubuntu6
2.23-0ubuntu1
2.23-0ubuntu2
2.23-0ubuntu3
2.23-0ubuntu4
2.23-0ubuntu5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "glibc-source",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc-bin",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc-dev-bin",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-amd64",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-armel",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-dev",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-dev-amd64",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-dev-armel",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-dev-i386",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-dev-ppc64",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-dev-s390",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-dev-x32",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-i386",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-pic",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-ppc64",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-s390",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "libc6-x32",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "locales",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "locales-all",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "multiarch-support",
            "binary_version": "2.23-0ubuntu6"
        },
        {
            "binary_name": "nscd",
            "binary_version": "2.23-0ubuntu6"
        }
    ],
    "availability": "No subscription required"
}