VULNERABILITY INTELLIGENCE

CVE-2018-19591

CVSS score7.5 HIGH
EPSS probability5.53%
CISA KEVNot currently listed
Published2018-12-04
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-20: Improper Input Validation
  • CWE-404: Improper Resource Shutdown or Release

Primary references