CVE-2018-19591
7.5
HIGH
CVSS 3.1
EPSS 1.8%
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.
How to fix CVE-2018-19591
To remediate CVE-2018-19591, upgrade the affected package to a fixed version below.
- Debian/glibc—upgrade to 2.28-1 or later
Is CVE-2018-19591 being exploited?
Low — EPSS is 1.8%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.28-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |