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Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libxkbcommon package, versions *

low

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.05% (15th percentile)
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NVD
5.5 medium
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SUSE
3.3 low
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Red Hat
3.3 low

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  • Snyk ID SNYK-DEBIAN9-LIBXKBCOMMON-263437
  • published 25 Sep 2018
  • disclosed 25 Aug 2018
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Introduced: 25 Aug 2018

CVE-2018-15856 Open this link in a new tab
CWE-835 Open this link in a new tab

How to fix?

There is no fixed version for Debian:9 libxkbcommon.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxkbcommon package and not the libxkbcommon package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

An infinite loop when reaching EOL unexpectedly in compose/parser.c (aka the keymap parser) in xkbcommon before 0.8.1 could be used by local attackers to cause a denial of service during parsing of crafted keymap files.