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CVE-2018-15856

Published: 25 August 2018

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.

Notes

AuthorNote
leosilva
Trusty need to be researched since code is quite different and /compose is
not present.

Priority

Medium

CVSS 3 base score: 5.5

Status

Package Release Status
libxkbcommon
Launchpad, Ubuntu, Debian
bionic
Released (0.8.0-1ubuntu0.1)
cosmic Not vulnerable
(0.8.2-1)
precise Does not exist

trusty Does not exist
(trusty was released [0.4.1-0ubuntu1.1])
upstream
Released (0.8.2-1)
xenial
Released (0.5.0-1ubuntu2.1)
Patches:
vendor: https://github.com/xkbcommon/libxkbcommon/commit/842e4351c2c97de6051cab6ce36b4a81e709a0e1