Code Affecting glibc package, versions <2.21-1


low

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 2.09% (89th percentile)
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NVD
5.3 medium
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Red Hat
4.3 medium

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  • Snyk ID SNYK-DEBIAN11-GLIBC-515032
  • published 27 Mar 2015
  • disclosed 27 Mar 2015

How to fix?

Upgrade Debian:11 glibc to version 2.21-1 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:11 relevant fixed versions and status.

DB_LOOKUP in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) 2.21 and earlier does not properly check if a file is open, which allows remote attackers to cause a denial of service (infinite loop) by performing a look-up on a database while iterating over it, which triggers the file pointer to be reset.