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Improper Input Validation Affecting glibc package, versions <2.28-1

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.8% (82nd percentile)
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NVD
7.5 high
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Red Hat
5.3 medium

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  • Snyk ID SNYK-DEBIAN10-GLIBC-356554
  • published 2 Dec 2018
  • disclosed 4 Dec 2018
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Introduced: 2 Dec 2018

CVE-2018-19591 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Debian:10 glibc to version 2.28-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

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.

References