CVE-2018-19591

7.5 HIGH
Published: December 04, 2018 Modified: December 03, 2025

Description

In the GNU C Library (aka glibc or libc6) through 2.28, attempting to resolve a crafted hostname via getaddrinfo() leads to the allocation of a socket descriptor that is not closed. This is related to the if_nametoindex() function.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/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.securityfocus.com/bid/106037
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1042174
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201903-09
Source: cve@mitre.org
Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=23927
Source: cve@mitre.org
Exploit Issue Tracking Third Party Advisory
https://usn.ubuntu.com/4416-1/
Source: cve@mitre.org
http://www.securityfocus.com/bid/106037
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1042174
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201903-09
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://security.gentoo.org/glsa/201908-06
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.netapp.com/advisory/ntap-20190321-0003/
Source: af854a3a-2127-422b-91ae-364da2661108
https://sourceware.org/bugzilla/show_bug.cgi?id=23927
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Third Party Advisory
https://usn.ubuntu.com/4416-1/
Source: af854a3a-2127-422b-91ae-364da2661108

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
1.5%
80th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

fedoraproject gnu