CVE-2018-15856

libxkbcommon0: An infinite loop when reaching EOL unexpectedly in compose/parser.c (aka the keymap parser) in xkbcommon before 0.8.1...

CVE-2018-15856 is fixed in 2 products on 1 platform, first by libxkbcommon-x11-0 0.8.0-1ubuntu0.1, released August 24, 2018. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0043
37th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
libxkbcommon-x11-0 · Ubuntu 18.04.6 LTS (bionic) 0.8.0-1ubuntu0.1 libxkbcommon-x11-0 0.8.0-1ubuntu0.1 Aug 24, 2018
libxkbcommon0 · Ubuntu 18.04.6 LTS (bionic) 0.8.0-1ubuntu0.1 libxkbcommon0 0.8.0-1ubuntu0.1 Aug 24, 2018

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