PublicDateAtUSN: 2018-08-25
Candidate: CVE-2018-15853
PublicDate: 2018-08-25 21:29:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15853
 https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html
 https://ubuntu.com/security/notices/USN-3786-1
 https://ubuntu.com/security/notices/USN-3786-2
Description:
 Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon
 before 0.8.1, which could be used by local attackers to crash xkbcommon
 users by supplying a crafted keymap file that triggers boolean negation.
Ubuntu-Description:
Notes:
Bugs:
 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=907302
Priority: low
Discovered-by:
Assigned-to: leosilva
CVSS:
 nvd: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H [5.5 MEDIUM]


Patches_libxkbcommon:
 vendor: https://github.com/xkbcommon/libxkbcommon/commit/1f9d1248c07cda8aaff762429c0dce146de8632a
upstream_libxkbcommon: released (0.8.2-1)
precise/esm_libxkbcommon: DNE
trusty_libxkbcommon: released (0.4.1-0ubuntu1.1)
trusty/esm_libxkbcommon: DNE (trusty was released [0.4.1-0ubuntu1.1])
xenial_libxkbcommon: released (0.5.0-1ubuntu2.1)
esm-infra/xenial_libxkbcommon: released (0.5.0-1ubuntu2.1)
bionic_libxkbcommon: released (0.8.0-1ubuntu0.1)
cosmic_libxkbcommon: not-affected (0.8.2-1)
devel_libxkbcommon: not-affected (0.8.2-1)