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NULL Pointer Dereference Affecting libxkbcommon package, versions *

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.04% (6th 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-DEBIAN8-LIBXKBCOMMON-263450
  • published 25 Sep 2018
  • disclosed 25 Aug 2018
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Introduced: 25 Aug 2018

CVE-2018-15864 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

There is no fixed version for Debian:8 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:8 relevant fixed versions and status.

Unchecked NULL pointer usage in resolve_keysym in xkbcomp/parser.y in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because a map access attempt can occur for a map that was never created.