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


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-DEBIAN8-LIBXKBCOMMON-263436
  • published25 Sept 2018
  • disclosed25 Aug 2018

Introduced: 25 Aug 2018

CVE-2018-15856  (opens in a new tab)
CWE-835  (opens 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.

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.