CVE-2016-5417

7.5 HIGH
Published: February 17, 2017 Modified: May 13, 2026
View on NVD

Description

Memory leak in the __res_vinit 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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/02/5
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/92257
Source: secalert@redhat.com
Third Party Advisory VDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=19257
Source: secalert@redhat.com
Issue Tracking Patch Third Party Advisory VDB Entry
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2212c1420c92a33b0e0bd9a34938c9814a56c0f7
Source: secalert@redhat.com
https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.html
Source: secalert@redhat.com
Release Notes
http://www.openwall.com/lists/oss-security/2016/08/02/5
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/92257
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=19257
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory VDB Entry
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2212c1420c92a33b0e0bd9a34938c9814a56c0f7
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.html
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
3.4%
87th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-399

Affected Vendors

gnu

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