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CVE-2018-15857

Published: 25 August 2018

An invalid free in ExprAppendMultiKeysymList in xkbcomp/ast-build.c in xkbcommon before 0.8.1 could be used by local attackers to crash xkbcommon keymap parsers or possibly have unspecified other impact by supplying a crafted keymap file.

Notes

AuthorNote
leosilva
code in trusty is quite different.

Priority

Medium

CVSS 3 base score: 7.8

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/c1e5ac16e77a21f87bdf3bc4dea61b037a17dddb