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.
History

Wed, 03 Dec 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 03 Dec 2025 19:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-404
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-12-04T16:00:00.000Z

Updated: 2025-12-03T19:13:21.308Z

Reserved: 2018-11-26T00:00:00.000Z

Link: CVE-2018-19591

cve-icon Vulnrichment

Updated: 2024-08-05T11:37:11.535Z

cve-icon NVD

Status : Modified

Published: 2018-12-04T16:29:00.480

Modified: 2025-12-03T19:15:47.627

Link: CVE-2018-19591

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-11-27T00:00:00Z

Links: CVE-2018-19591 - Bugzilla